EP0775702A1 - Novel quinolone- or naphthyridonecarboxylic acid derivative or salt thereof - Google Patents
Novel quinolone- or naphthyridonecarboxylic acid derivative or salt thereof Download PDFInfo
- Publication number
- EP0775702A1 EP0775702A1 EP95927967A EP95927967A EP0775702A1 EP 0775702 A1 EP0775702 A1 EP 0775702A1 EP 95927967 A EP95927967 A EP 95927967A EP 95927967 A EP95927967 A EP 95927967A EP 0775702 A1 EP0775702 A1 EP 0775702A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- group
- protected
- carboxylic acid
- dihydro
- unprotected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 165
- 239000002253 acid Substances 0.000 title claims description 8
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 110
- 125000000753 cycloalkyl group Chemical group 0.000 claims abstract description 39
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 38
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 31
- 125000004414 alkyl thio group Chemical group 0.000 claims abstract description 30
- 125000005843 halogen group Chemical group 0.000 claims abstract description 28
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 25
- 125000003277 amino group Chemical group 0.000 claims abstract description 18
- 125000001118 alkylidene group Chemical group 0.000 claims abstract description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 13
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 11
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 8
- 239000003242 anti bacterial agent Substances 0.000 claims abstract description 5
- 150000001875 compounds Chemical class 0.000 claims description 175
- 125000003342 alkenyl group Chemical group 0.000 claims description 24
- 125000003118 aryl group Chemical group 0.000 claims description 24
- 125000003282 alkyl amino group Chemical group 0.000 claims description 19
- 125000002252 acyl group Chemical group 0.000 claims description 12
- 125000004390 alkyl sulfonyl group Chemical group 0.000 claims description 10
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 10
- 125000000623 heterocyclic group Chemical group 0.000 claims description 9
- 125000001841 imino group Chemical group [H]N=* 0.000 claims description 9
- 125000000278 alkyl amino alkyl group Chemical group 0.000 claims description 8
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 8
- 125000004391 aryl sulfonyl group Chemical group 0.000 claims description 8
- 125000004985 dialkyl amino alkyl group Chemical group 0.000 claims description 7
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 6
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- 125000004663 dialkyl amino group Chemical group 0.000 claims description 5
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 5
- 125000004434 sulfur atom Chemical group 0.000 claims description 5
- HOSOKOZLQDJTFE-UHFFFAOYSA-N 1-cyclopropyl-7-(2,3-dihydro-1h-isoindol-5-yl)-6-fluoro-8-methyl-4-oxoquinoline-3-carboxylic acid Chemical compound CC1=C(C=2C=C3CNCC3=CC=2)C(F)=CC(C(C(C(O)=O)=C2)=O)=C1N2C1CC1 HOSOKOZLQDJTFE-UHFFFAOYSA-N 0.000 claims description 4
- 125000004043 oxo group Chemical group O=* 0.000 claims description 4
- QHMBJTGRMJHGHU-NSHDSACASA-N (2S)-7-fluoro-2-methyl-6-(2-methyl-1,3-dihydroisoindol-5-yl)-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid Chemical compound C1=C2CN(C)CC2=CC(C2=C3OC[C@@H](N4C3=C(C(C(C(O)=O)=C4)=O)C=C2F)C)=C1 QHMBJTGRMJHGHU-NSHDSACASA-N 0.000 claims description 3
- QIXKFCOYGSXYPV-UHFFFAOYSA-N 1-cyclopropyl-7-(2,3-dihydro-1h-isoindol-5-yl)-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(C=2C=C3CNCC3=CC=2)C(F)=CC(C(C(C(O)=O)=C2)=O)=C1N2C1CC1 QIXKFCOYGSXYPV-UHFFFAOYSA-N 0.000 claims description 3
- VAGZZSKCWFISHF-UHFFFAOYSA-N 1-cyclopropyl-8-(difluoromethoxy)-7-(2,3-dihydro-1h-isoindol-5-yl)-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound C12=C(OC(F)F)C(C=3C=C4CNCC4=CC=3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 VAGZZSKCWFISHF-UHFFFAOYSA-N 0.000 claims description 3
- UJPCGKWLCCCNRM-UHFFFAOYSA-N 5-amino-1-cyclopropyl-7-(2,3-dihydro-1h-isoindol-5-yl)-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(C=2C=C3CNCC3=CC=2)C(F)=C(N)C(C(C(C(O)=O)=C2)=O)=C1N2C1CC1 UJPCGKWLCCCNRM-UHFFFAOYSA-N 0.000 claims description 3
- 125000001188 haloalkyl group Chemical group 0.000 claims description 3
- 239000002671 adjuvant Substances 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 2
- XOQQVKDBGLYPGH-UHFFFAOYSA-N 2-oxo-1h-quinoline-3-carboxylic acid Chemical compound C1=CC=C2NC(=O)C(C(=O)O)=CC2=C1 XOQQVKDBGLYPGH-UHFFFAOYSA-N 0.000 claims 1
- 239000008194 pharmaceutical composition Substances 0.000 claims 1
- 125000001424 substituent group Chemical group 0.000 abstract description 8
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 156
- -1 methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy, hexyloxy, heptyloxy, octyloxy Chemical group 0.000 description 152
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 78
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 66
- 239000000203 mixture Substances 0.000 description 63
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 56
- 239000011541 reaction mixture Substances 0.000 description 49
- 239000000243 solution Substances 0.000 description 49
- 239000002904 solvent Substances 0.000 description 49
- 238000006243 chemical reaction Methods 0.000 description 42
- 239000013078 crystal Substances 0.000 description 42
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 39
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 36
- 238000001914 filtration Methods 0.000 description 36
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 35
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 33
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 33
- 239000000725 suspension Substances 0.000 description 30
- 238000004821 distillation Methods 0.000 description 29
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 27
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 26
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 24
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 24
- 238000004440 column chromatography Methods 0.000 description 22
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 21
- 239000003480 eluent Substances 0.000 description 21
- 238000000034 method Methods 0.000 description 19
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 18
- 239000012044 organic layer Substances 0.000 description 18
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 17
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 16
- 125000006239 protecting group Chemical group 0.000 description 14
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 13
- 238000010992 reflux Methods 0.000 description 13
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 12
- 239000012046 mixed solvent Substances 0.000 description 11
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 10
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 10
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 10
- 238000001816 cooling Methods 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 9
- NFHFRUOZVGFOOS-UHFFFAOYSA-N Pd(PPh3)4 Substances [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 9
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 9
- PFKFTWBEEFSNDU-UHFFFAOYSA-N carbonyldiimidazole Chemical compound C1=CN=CN1C(=O)N1C=CN=C1 PFKFTWBEEFSNDU-UHFFFAOYSA-N 0.000 description 8
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 7
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 7
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 7
- 230000002411 adverse Effects 0.000 description 7
- 150000001408 amides Chemical class 0.000 description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- 230000003287 optical effect Effects 0.000 description 7
- 239000012453 solvate Substances 0.000 description 7
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 6
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- PXIPVTKHYLBLMZ-UHFFFAOYSA-N Sodium azide Chemical compound [Na+].[N-]=[N+]=[N-] PXIPVTKHYLBLMZ-UHFFFAOYSA-N 0.000 description 6
- RDOXTESZEPMUJZ-UHFFFAOYSA-N anisole Chemical compound COC1=CC=CC=C1 RDOXTESZEPMUJZ-UHFFFAOYSA-N 0.000 description 6
- MYSWGUAQZAJSOK-UHFFFAOYSA-N ciprofloxacin Chemical compound C12=CC(N3CCNCC3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1CC1 MYSWGUAQZAJSOK-UHFFFAOYSA-N 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000005457 ice water Substances 0.000 description 6
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 6
- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 5
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 5
- YNHIGQDRGKUECZ-UHFFFAOYSA-L PdCl2(PPh3)2 Substances [Cl-].[Cl-].[Pd+2].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 YNHIGQDRGKUECZ-UHFFFAOYSA-L 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 5
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 5
- 239000001569 carbon dioxide Substances 0.000 description 5
- 229910002092 carbon dioxide Inorganic materials 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- 229910052763 palladium Inorganic materials 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 235000017557 sodium bicarbonate Nutrition 0.000 description 5
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 5
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 4
- OSTUUSSBUJMYGX-UHFFFAOYSA-N 5-bromo-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindole Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1CC2=CC(Br)=CC=C2C1 OSTUUSSBUJMYGX-UHFFFAOYSA-N 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 4
- OKKJLVBELUTLKV-MZCSYVLQSA-N Deuterated methanol Chemical compound [2H]OC([2H])([2H])[2H] OKKJLVBELUTLKV-MZCSYVLQSA-N 0.000 description 4
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 4
- PCLIMKBDDGJMGD-UHFFFAOYSA-N N-bromosuccinimide Chemical compound BrN1C(=O)CCC1=O PCLIMKBDDGJMGD-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 4
- 150000004673 fluoride salts Chemical class 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 4
- 238000007363 ring formation reaction Methods 0.000 description 4
- 239000012312 sodium hydride Substances 0.000 description 4
- 229910000104 sodium hydride Inorganic materials 0.000 description 4
- 239000007858 starting material Substances 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- 239000008096 xylene Substances 0.000 description 4
- QINYLQCSVWFLGF-UHFFFAOYSA-N 7-(1-amino-3h-isoindol-5-yl)-1-cyclopropyl-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(C=2C=C3CNC(=N)C3=CC=2)C(F)=CC(C(C(C(O)=O)=C2)=O)=C1N2C1CC1 QINYLQCSVWFLGF-UHFFFAOYSA-N 0.000 description 3
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- ZSXGLVDWWRXATF-UHFFFAOYSA-N N,N-dimethylformamide dimethyl acetal Chemical compound COC(OC)N(C)C ZSXGLVDWWRXATF-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 150000005690 diesters Chemical class 0.000 description 3
- 125000005982 diphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- FHSIQGYTPXFOCZ-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(C)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 FHSIQGYTPXFOCZ-UHFFFAOYSA-N 0.000 description 3
- NOKSGGAPKDVWKU-UHFFFAOYSA-N ethyl 3-(4-bromo-2,5-difluoro-3-methylphenyl)-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=CC(F)=C(Br)C(C)=C1F NOKSGGAPKDVWKU-UHFFFAOYSA-N 0.000 description 3
- ACQPPJRQHYJLOZ-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methyl-4-oxoquinoline-3-carboxylate Chemical compound C12=C(C)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 ACQPPJRQHYJLOZ-UHFFFAOYSA-N 0.000 description 3
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 3
- 150000004820 halides Chemical class 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 3
- 125000005928 isopropyloxycarbonyl group Chemical group [H]C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 3
- 159000000003 magnesium salts Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- UKVIEHSSVKSQBA-UHFFFAOYSA-N methane;palladium Chemical compound C.[Pd] UKVIEHSSVKSQBA-UHFFFAOYSA-N 0.000 description 3
- UZKWTJUDCOPSNM-UHFFFAOYSA-N methoxybenzene Substances CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 3
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 150000002905 orthoesters Chemical class 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
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- JLTDJTHDQAWBAV-UHFFFAOYSA-N N,N-dimethylaniline Chemical compound CN(C)C1=CC=CC=C1 JLTDJTHDQAWBAV-UHFFFAOYSA-N 0.000 description 2
- 229910002666 PdCl2 Inorganic materials 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- 229910021626 Tin(II) chloride Inorganic materials 0.000 description 2
- 150000008065 acid anhydrides Chemical class 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 125000004453 alkoxycarbonyl group Chemical group 0.000 description 2
- 125000004202 aminomethyl group Chemical group [H]N([H])C([H])([H])* 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000001580 bacterial effect Effects 0.000 description 2
- WRXFCMGWFJSVHF-UHFFFAOYSA-N benzyl 5-[4-(3-ethoxy-3-oxopropanoyl)-2,5-difluoro-6-methoxy-3-nitrophenyl]-1,3-dihydroisoindole-2-carboxylate Chemical compound FC1=C([N+]([O-])=O)C(C(=O)CC(=O)OCC)=C(F)C(OC)=C1C1=CC=C(CN(C2)C(=O)OCC=3C=CC=CC=3)C2=C1 WRXFCMGWFJSVHF-UHFFFAOYSA-N 0.000 description 2
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 2
- 125000005997 bromomethyl group Chemical group 0.000 description 2
- 238000002512 chemotherapy Methods 0.000 description 2
- 125000002668 chloroacetyl group Chemical group ClCC(=O)* 0.000 description 2
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- 125000004218 chloromethyl group Chemical group [H]C([H])(Cl)* 0.000 description 2
- 229960003405 ciprofloxacin Drugs 0.000 description 2
- QTMDXZNDVAMKGV-UHFFFAOYSA-L copper(ii) bromide Chemical compound [Cu+2].[Br-].[Br-] QTMDXZNDVAMKGV-UHFFFAOYSA-L 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 125000006003 dichloroethyl group Chemical group 0.000 description 2
- 125000004772 dichloromethyl group Chemical group [H]C(Cl)(Cl)* 0.000 description 2
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- CSJLBAMHHLJAAS-UHFFFAOYSA-N diethylaminosulfur trifluoride Chemical compound CCN(CC)S(F)(F)F CSJLBAMHHLJAAS-UHFFFAOYSA-N 0.000 description 2
- 229940019778 diethylene glycol diethyl ether Drugs 0.000 description 2
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- 229940079593 drug Drugs 0.000 description 2
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- IFVHWDPUHQZFHT-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-7-[2-(2,2,2-trifluoroacetyl)spiro[3h-isoindole-1,1'-cyclopropane]-5-yl]quinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C=C4C(C5(CC5)N(C(=O)C(F)(F)F)C4)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 IFVHWDPUHQZFHT-UHFFFAOYSA-N 0.000 description 2
- VXRBGAFSKVCCPM-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methyl-4-oxo-7-tributylstannylquinoline-3-carboxylate Chemical compound CC=1C([Sn](CCCC)(CCCC)CCCC)=C(F)C=C(C(C(C(=O)OCC)=C2)=O)C=1N2C1CC1 VXRBGAFSKVCCPM-UHFFFAOYSA-N 0.000 description 2
- QAVJTOHXMUBETD-UHFFFAOYSA-N ethyl 2-(4-bromo-2,5-difluoro-3-methylbenzoyl)-3-(cyclopropylamino)prop-2-enoate Chemical compound C=1C(F)=C(Br)C(C)=C(F)C=1C(=O)C(C(=O)OCC)=CNC1CC1 QAVJTOHXMUBETD-UHFFFAOYSA-N 0.000 description 2
- CILIOZHHECFUBM-UHFFFAOYSA-N ethyl 3-[2,5-difluoro-3-methyl-4-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]phenyl]-3-oxopropanoate Chemical compound CC1=C(F)C(C(=O)CC(=O)OCC)=CC(F)=C1C1=CC=C(CN(C2)S(=O)(=O)C=3C=CC(C)=CC=3)C2=C1 CILIOZHHECFUBM-UHFFFAOYSA-N 0.000 description 2
- RXNZSRLTIUJRHP-UHFFFAOYSA-N ethyl 4-amino-2,5-difluoro-3-methylbenzoate Chemical compound CCOC(=O)C1=CC(F)=C(N)C(C)=C1F RXNZSRLTIUJRHP-UHFFFAOYSA-N 0.000 description 2
- MWUJZWNZKFDCGA-UHFFFAOYSA-N ethyl 4-amino-3-(difluoromethoxy)-2,5-difluorobenzoate Chemical compound CCOC(=O)C1=CC(F)=C(N)C(OC(F)F)=C1F MWUJZWNZKFDCGA-UHFFFAOYSA-N 0.000 description 2
- HUFOKQYWUBMWAW-UHFFFAOYSA-N ethyl 4-azido-2,5-difluoro-3-methylbenzoate Chemical compound CCOC(=O)C1=CC(F)=C(N=[N+]=[N-])C(C)=C1F HUFOKQYWUBMWAW-UHFFFAOYSA-N 0.000 description 2
- FBJBQCBBGFJGMF-UHFFFAOYSA-N ethyl 4-azido-3-(difluoromethoxy)-2,5-difluorobenzoate Chemical compound CCOC(=O)C1=CC(F)=C(N=[N+]=[N-])C(OC(F)F)=C1F FBJBQCBBGFJGMF-UHFFFAOYSA-N 0.000 description 2
- BPEBEQMZBPDEMA-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-(hydroxymethyl)-4-oxoquinoline-3-carboxylate Chemical compound C12=C(CO)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 BPEBEQMZBPDEMA-UHFFFAOYSA-N 0.000 description 2
- AMOIBKAFQYCBIN-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 AMOIBKAFQYCBIN-UHFFFAOYSA-N 0.000 description 2
- PKHWSGHCWRUQAY-UHFFFAOYSA-N ethyl 8-(acetyloxymethyl)-7-bromo-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylate Chemical compound C12=C(COC(C)=O)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 PKHWSGHCWRUQAY-UHFFFAOYSA-N 0.000 description 2
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- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
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- DVWUPYHFVYOPNV-UHFFFAOYSA-L magnesium;3-ethoxy-3-oxopropanoate Chemical compound [Mg+2].CCOC(=O)CC([O-])=O.CCOC(=O)CC([O-])=O DVWUPYHFVYOPNV-UHFFFAOYSA-L 0.000 description 2
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- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 description 2
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- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 125000006235 propyl amino ethyl group Chemical group [H]N(C([H])([H])C([H])([H])*)C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000008707 rearrangement Effects 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 2
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 2
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- 125000001981 tert-butyldimethylsilyl group Chemical group [H]C([H])([H])[Si]([H])(C([H])([H])[H])[*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 2
- 125000000037 tert-butyldiphenylsilyl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1[Si]([H])([*]C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 2
- REDSKZBUUUQMSK-UHFFFAOYSA-N tributyltin Chemical compound CCCC[Sn](CCCC)CCCC.CCCC[Sn](CCCC)CCCC REDSKZBUUUQMSK-UHFFFAOYSA-N 0.000 description 2
- 125000006000 trichloroethyl group Chemical group 0.000 description 2
- 125000003866 trichloromethyl group Chemical group ClC(Cl)(Cl)* 0.000 description 2
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- PYOKUURKVVELLB-UHFFFAOYSA-N trimethyl orthoformate Chemical compound COC(OC)OC PYOKUURKVVELLB-UHFFFAOYSA-N 0.000 description 2
- GETQZCLCWQTVFV-UHFFFAOYSA-N trimethylamine Chemical compound CN(C)C GETQZCLCWQTVFV-UHFFFAOYSA-N 0.000 description 2
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- 229920002554 vinyl polymer Polymers 0.000 description 2
- GSADPWDXLQGVCY-INIZCTEOSA-N (2S)-7-fluoro-2-methyl-6-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-10-oxo-4-oxa-1-azatricyclo[7.3.1.05,13]trideca-5(13),6,8,11-tetraene-11-carboxylic acid Chemical compound C([C@@H](N1C2=C(C(C(C(O)=O)=C1)=O)C=C1F)C)OC2=C1C(C=C1C2)=CC=C1CN2S(=O)(=O)C1=CC=C(C)C=C1 GSADPWDXLQGVCY-INIZCTEOSA-N 0.000 description 1
- 125000000027 (C1-C10) alkoxy group Chemical group 0.000 description 1
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 description 1
- BWKAYBPLDRWMCJ-UHFFFAOYSA-N 1,1-diethoxy-n,n-dimethylmethanamine Chemical compound CCOC(N(C)C)OCC BWKAYBPLDRWMCJ-UHFFFAOYSA-N 0.000 description 1
- 125000006033 1,1-dimethyl-2-propenyl group Chemical group 0.000 description 1
- CCVHAEBXBCGNTL-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6,8-difluoro-7-(2-methyl-1,3-dihydroisoindol-5-yl)-4-oxoquinoline-3-carboxylic acid Chemical compound C1=C2CN(C)CC2=CC=C1C(C=1F)=C(F)C=C(C(C(C(O)=O)=C2)=O)C=1N2C1=CC=C(F)C=C1F CCVHAEBXBCGNTL-UHFFFAOYSA-N 0.000 description 1
- YQWQKZVNOUXHAE-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6-fluoro-7-(2-methyl-1,3-dihydroisoindol-5-yl)-4-oxo-1,8-naphthyridine-3-carboxylic acid Chemical compound C1=C2CN(C)CC2=CC=C1C(C(=CC=1C(=O)C(C(O)=O)=C2)F)=NC=1N2C1=CC=C(F)C=C1F YQWQKZVNOUXHAE-UHFFFAOYSA-N 0.000 description 1
- RTRGUWMTRSPLLY-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6-fluoro-7-(2-methyl-1,3-dihydroisoindol-5-yl)-4-oxoquinoline-3-carboxylic acid Chemical compound C1=C2CN(C)CC2=CC=C1C(C(=CC=1C(=O)C(C(O)=O)=C2)F)=CC=1N2C1=CC=C(F)C=C1F RTRGUWMTRSPLLY-UHFFFAOYSA-N 0.000 description 1
- DBFVYOOKSYDAKL-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6-fluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylic acid Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1CC2=CC(C=3C(=CC=4C(=O)C(C(O)=O)=CN(C=4C=3)C=3C(=CC(F)=CC=3)F)F)=CC=C2C1 DBFVYOOKSYDAKL-UHFFFAOYSA-N 0.000 description 1
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- BJHKZMQBJNUCRQ-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6-fluoro-8-methoxy-7-(2-methyl-1,3-dihydroisoindol-5-yl)-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(C=2C=C3CN(C)CC3=CC=2)C(F)=CC(C(C(C(O)=O)=C2)=O)=C1N2C1=CC=C(F)C=C1F BJHKZMQBJNUCRQ-UHFFFAOYSA-N 0.000 description 1
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- RVUWUGOCQIWMTB-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-6-fluoro-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylic acid Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1CC2=CC(C=3C(=C4C(C(C(C(O)=O)=CN4C=4C(=CC(F)=CC=4)F)=O)=CC=3F)C)=CC=C2C1 RVUWUGOCQIWMTB-UHFFFAOYSA-N 0.000 description 1
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- FEBNKAROBSATGQ-UHFFFAOYSA-N 1-(2,4-difluorophenyl)-7-(2,3-dihydro-1h-isoindol-5-yl)-6-fluoro-8-hydroxy-4-oxoquinoline-3-carboxylic acid Chemical compound C12=C(O)C(C=3C=C4CNCC4=CC=3)=C(F)C=C2C(=O)C(C(=O)O)=CN1C1=CC=C(F)C=C1F FEBNKAROBSATGQ-UHFFFAOYSA-N 0.000 description 1
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- HBEZDRWPARRNOK-UHFFFAOYSA-N 1-(6-bromospiro[1h-isoindole-3,1'-cyclopropane]-2-yl)-2,2,2-trifluoroethanone Chemical compound FC(F)(F)C(=O)N1CC2=CC(Br)=CC=C2C11CC1 HBEZDRWPARRNOK-UHFFFAOYSA-N 0.000 description 1
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- DQGFINJTTJDCFJ-UHFFFAOYSA-N 1-cyclopropyl-6,8-difluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylic acid Chemical compound C1=CC(C)=CC=C1S(=O)(=O)N1CC2=CC(C=3C(=C4C(C(C(C(O)=O)=CN4C4CC4)=O)=CC=3F)F)=CC=C2C1 DQGFINJTTJDCFJ-UHFFFAOYSA-N 0.000 description 1
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- GHOQATFAVVOVDL-UHFFFAOYSA-N ethyl 1-(2,4-difluorophenyl)-6-fluoro-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(C)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1=CC=C(F)C=C1F GHOQATFAVVOVDL-UHFFFAOYSA-N 0.000 description 1
- HUPPUPKFARBSMB-UHFFFAOYSA-N ethyl 1-cyclopropyl-6,8-difluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(F)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 HUPPUPKFARBSMB-UHFFFAOYSA-N 0.000 description 1
- HCJNGUXHEMZMCE-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-4-oxo-7-tributylstannyl-1,8-naphthyridine-3-carboxylate Chemical compound C1=C(C(=O)OCC)C(=O)C=2C=C(F)C([Sn](CCCC)(CCCC)CCCC)=NC=2N1C1CC1 HCJNGUXHEMZMCE-UHFFFAOYSA-N 0.000 description 1
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- GQTQHGQYSGMSIJ-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-7-[1-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=CC(C=3C=C4CN(C(C)C4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 GQTQHGQYSGMSIJ-UHFFFAOYSA-N 0.000 description 1
- ZRTIFIJEZAKEOS-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxo-1,8-naphthyridine-3-carboxylate Chemical compound C12=NC(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 ZRTIFIJEZAKEOS-UHFFFAOYSA-N 0.000 description 1
- IFGQEVPNWWZNQP-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=CC(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 IFGQEVPNWWZNQP-UHFFFAOYSA-N 0.000 description 1
- WFRPIAWXZMJQFF-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-7-[3-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=CC(C=3C=C4C(C)N(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 WFRPIAWXZMJQFF-UHFFFAOYSA-N 0.000 description 1
- SLMLSJOZQHIKNQ-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-(fluoromethoxy)-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OCF)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 SLMLSJOZQHIKNQ-UHFFFAOYSA-N 0.000 description 1
- CKBOTNAPGMBWLF-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-(fluoromethyl)-4-oxo-7-(2-phenylmethoxycarbonyl-1,3-dihydroisoindol-5-yl)quinoline-3-carboxylate Chemical compound C12=C(CF)C(C=3C=C4CN(CC4=CC=3)C(=O)OCC=3C=CC=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 CKBOTNAPGMBWLF-UHFFFAOYSA-N 0.000 description 1
- PXBWKFHJNWWOPG-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-4-oxo-7-tributylstannylquinoline-3-carboxylate Chemical compound COC=1C([Sn](CCCC)(CCCC)CCCC)=C(F)C=C(C(C(C(=O)OCC)=C2)=O)C=1N2C1CC1 PXBWKFHJNWWOPG-UHFFFAOYSA-N 0.000 description 1
- JJRHVTSYELCMRC-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-5-nitro-4-oxo-7-(2-phenylmethoxycarbonyl-1,3-dihydroisoindol-5-yl)quinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C=C4CN(CC4=CC=3)C(=O)OCC=3C=CC=CC=3)=C(F)C([N+]([O-])=O)=C2C(=O)C(C(=O)OCC)=CN1C1CC1 JJRHVTSYELCMRC-UHFFFAOYSA-N 0.000 description 1
- GJYDPGDKJSDJRO-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[1-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C=C4CN(C(C)C4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 GJYDPGDKJSDJRO-UHFFFAOYSA-N 0.000 description 1
- FRDKXINHTBQPPB-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 FRDKXINHTBQPPB-UHFFFAOYSA-N 0.000 description 1
- VMEJPECFXVBDRQ-UHFFFAOYSA-N ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[3-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C=C4C(C)N(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 VMEJPECFXVBDRQ-UHFFFAOYSA-N 0.000 description 1
- DZGXUFXCAZMFIZ-UHFFFAOYSA-N ethyl 1-cyclopropyl-7-[4,7-difluoro-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-6-fluoro-4-oxoquinoline-3-carboxylate Chemical compound C12=CC(C=3C(=C4CN(CC4=C(F)C=3)S(=O)(=O)C=3C=CC(C)=CC=3)F)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 DZGXUFXCAZMFIZ-UHFFFAOYSA-N 0.000 description 1
- VLIOGDWVAFVIHK-UHFFFAOYSA-N ethyl 1-cyclopropyl-7-[4,7-difluoro-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC)C(C=3C(=C4CN(CC4=C(F)C=3)S(=O)(=O)C=3C=CC(C)=CC=3)F)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 VLIOGDWVAFVIHK-UHFFFAOYSA-N 0.000 description 1
- JHINSUKMVLMXJN-UHFFFAOYSA-N ethyl 1-cyclopropyl-8-(difluoromethoxy)-6-fluoro-4-oxo-7-[2-(2,2,2-trifluoroacetyl)spiro[3h-isoindole-1,1'-cyclopropane]-5-yl]quinoline-3-carboxylate Chemical compound C12=C(OC(F)F)C(C=3C=C4C(C5(CC5)N(C(=O)C(F)(F)F)C4)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 JHINSUKMVLMXJN-UHFFFAOYSA-N 0.000 description 1
- ZKVISDWFQBXDBQ-UHFFFAOYSA-N ethyl 1-cyclopropyl-8-(difluoromethoxy)-6-fluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC(F)F)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 ZKVISDWFQBXDBQ-UHFFFAOYSA-N 0.000 description 1
- YEDYDKOCWHGYFL-UHFFFAOYSA-N ethyl 1-cyclopropyl-8-(difluoromethoxy)-6-fluoro-7-[3-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC(F)F)C(C=3C=C4C(C)N(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 YEDYDKOCWHGYFL-UHFFFAOYSA-N 0.000 description 1
- CPPCPNODRUPAMW-UHFFFAOYSA-N ethyl 1-ethyl-6-fluoro-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound FC=1C=C2C(=O)C(C(=O)OCC)=CN(CC)C2=C(C)C=1C(C=C1C2)=CC=C1CN2S(=O)(=O)C1=CC=C(C)C=C1 CPPCPNODRUPAMW-UHFFFAOYSA-N 0.000 description 1
- LEMAOLKAGZTUPM-UHFFFAOYSA-N ethyl 2,4,5-trifluoro-3-(hydroxymethyl)benzoate Chemical compound CCOC(=O)C1=CC(F)=C(F)C(CO)=C1F LEMAOLKAGZTUPM-UHFFFAOYSA-N 0.000 description 1
- CNLWICAPVKYJDJ-UHFFFAOYSA-N ethyl 2,4,5-trifluoro-3-methylbenzoate Chemical compound CCOC(=O)C1=CC(F)=C(F)C(C)=C1F CNLWICAPVKYJDJ-UHFFFAOYSA-N 0.000 description 1
- SPYWWJLFJABWHC-UHFFFAOYSA-N ethyl 3-(4-bromo-2,5-difluoro-3-methoxy-6-nitrophenyl)-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=C(F)C(OC)=C(Br)C(F)=C1[N+]([O-])=O SPYWWJLFJABWHC-UHFFFAOYSA-N 0.000 description 1
- CEPLJQDPAZORNG-UHFFFAOYSA-N ethyl 3-(difluoromethoxy)-2,4,5-trifluorobenzoate Chemical compound CCOC(=O)C1=CC(F)=C(F)C(OC(F)F)=C1F CEPLJQDPAZORNG-UHFFFAOYSA-N 0.000 description 1
- UAQHBVCSTVOTQD-UHFFFAOYSA-N ethyl 3-[2,5-difluoro-4-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]phenyl]-3-oxopropanoate Chemical compound C1=C(F)C(C(=O)CC(=O)OCC)=CC(F)=C1C1=CC=C(CN(C2)S(=O)(=O)C=3C=CC(C)=CC=3)C2=C1 UAQHBVCSTVOTQD-UHFFFAOYSA-N 0.000 description 1
- PWWOVDONCJGSEH-UHFFFAOYSA-N ethyl 3-[3-(acetyloxymethyl)-4-bromo-2,5-difluorophenyl]-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=CC(F)=C(Br)C(COC(C)=O)=C1F PWWOVDONCJGSEH-UHFFFAOYSA-N 0.000 description 1
- MWZGUZYCKMZWKQ-UHFFFAOYSA-N ethyl 3-[4-bromo-2,5-difluoro-3-(fluoromethoxy)phenyl]-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=CC(F)=C(Br)C(OCF)=C1F MWZGUZYCKMZWKQ-UHFFFAOYSA-N 0.000 description 1
- UGMWMVISSCPSMP-UHFFFAOYSA-N ethyl 3-[4-bromo-3-(difluoromethoxy)-2,5-difluorophenyl]-3-oxopropanoate Chemical compound CCOC(=O)CC(=O)C1=CC(F)=C(Br)C(OC(F)F)=C1F UGMWMVISSCPSMP-UHFFFAOYSA-N 0.000 description 1
- KTRZWLOYLAAXDO-UHFFFAOYSA-N ethyl 3-bromo-2,4,5-trifluorobenzoate Chemical compound CCOC(=O)C1=CC(F)=C(F)C(Br)=C1F KTRZWLOYLAAXDO-UHFFFAOYSA-N 0.000 description 1
- KGYBWHCJEKZOGW-UHFFFAOYSA-N ethyl 3-ethenyl-2,4,5-trifluorobenzoate Chemical compound CCOC(=O)C1=CC(F)=C(F)C(C=C)=C1F KGYBWHCJEKZOGW-UHFFFAOYSA-N 0.000 description 1
- OFHNDDHZXUJUNT-UHFFFAOYSA-N ethyl 6-fluoro-1-(2-fluoroethyl)-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound FC=1C=C2C(=O)C(C(=O)OCC)=CN(CCF)C2=CC=1C(C=C1C2)=CC=C1CN2S(=O)(=O)C1=CC=C(C)C=C1 OFHNDDHZXUJUNT-UHFFFAOYSA-N 0.000 description 1
- NFAGMEVFTORYII-UHFFFAOYSA-N ethyl 6-fluoro-1-(2-fluoroethyl)-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound FC=1C=C2C(=O)C(C(=O)OCC)=CN(CCF)C2=C(C)C=1C(C=C1C2)=CC=C1CN2S(=O)(=O)C1=CC=C(C)C=C1 NFAGMEVFTORYII-UHFFFAOYSA-N 0.000 description 1
- WAEFXBASZNWIGE-AHKZPQOWSA-N ethyl 6-fluoro-1-[(1r,2s)-2-fluorocyclopropyl]-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(C)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1[C@@H]1C[C@@H]1F WAEFXBASZNWIGE-AHKZPQOWSA-N 0.000 description 1
- WWHUKFRKJVLQRY-UHFFFAOYSA-N ethyl 6-fluoro-8-methyl-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxo-1-(4-phenylmethoxyphenyl)quinoline-3-carboxylate Chemical compound C12=C(C)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C(C=C1)=CC=C1OCC1=CC=CC=C1 WWHUKFRKJVLQRY-UHFFFAOYSA-N 0.000 description 1
- HAJGMSSNKASMCJ-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-(fluoromethoxy)-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OCF)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 HAJGMSSNKASMCJ-UHFFFAOYSA-N 0.000 description 1
- SRINWXKXKOGNLK-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-(fluoromethyl)-4-oxoquinoline-3-carboxylate Chemical compound C12=C(CF)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 SRINWXKXKOGNLK-UHFFFAOYSA-N 0.000 description 1
- PBNJQUNXKHGPPZ-UHFFFAOYSA-N ethyl 7-bromo-1-cyclopropyl-8-(difluoromethoxy)-6-fluoro-4-oxoquinoline-3-carboxylate Chemical compound C12=C(OC(F)F)C(Br)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 PBNJQUNXKHGPPZ-UHFFFAOYSA-N 0.000 description 1
- SCLJXYMOUJYZBJ-UHFFFAOYSA-N ethyl 8-chloro-1-cyclopropyl-6-fluoro-4-oxo-7-tributylstannylquinoline-3-carboxylate Chemical compound ClC=1C([Sn](CCCC)(CCCC)CCCC)=C(F)C=C(C(C(C(=O)OCC)=C2)=O)C=1N2C1CC1 SCLJXYMOUJYZBJ-UHFFFAOYSA-N 0.000 description 1
- NGBNERNKQCSRHM-UHFFFAOYSA-N ethyl 8-chloro-1-cyclopropyl-6-fluoro-7-[2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]-4-oxoquinoline-3-carboxylate Chemical compound C12=C(Cl)C(C=3C=C4CN(CC4=CC=3)S(=O)(=O)C=3C=CC(C)=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1C1CC1 NGBNERNKQCSRHM-UHFFFAOYSA-N 0.000 description 1
- CAJGLPNJTCNSIA-UKILVPOCSA-N ethyl 8-chloro-6-fluoro-1-[(1r,2s)-2-fluorocyclopropyl]-4-oxo-7-(2-phenylmethoxycarbonyl-1,3-dihydroisoindol-5-yl)quinoline-3-carboxylate Chemical compound C12=C(Cl)C(C=3C=C4CN(CC4=CC=3)C(=O)OCC=3C=CC=CC=3)=C(F)C=C2C(=O)C(C(=O)OCC)=CN1[C@@H]1C[C@@H]1F CAJGLPNJTCNSIA-UKILVPOCSA-N 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 125000004672 ethylcarbonyl group Chemical group [H]C([H])([H])C([H])([H])C(*)=O 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000002541 furyl group Chemical group 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000002140 halogenating effect Effects 0.000 description 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000005343 heterocyclic alkyl group Chemical group 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002883 imidazolyl group Chemical group 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000000555 isopropenyl group Chemical group [H]\C([H])=C(\*)C([H])([H])[H] 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 125000001909 leucine group Chemical group [H]N(*)C(C(*)=O)C([H])([H])C(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 229960003085 meticillin Drugs 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 125000002757 morpholinyl group Chemical group 0.000 description 1
- OQJBFFCUFALWQL-UHFFFAOYSA-N n-(piperidine-1-carbonylimino)piperidine-1-carboxamide Chemical compound C1CCCCN1C(=O)N=NC(=O)N1CCCCC1 OQJBFFCUFALWQL-UHFFFAOYSA-N 0.000 description 1
- XIJSGLDAQIWRCN-UHFFFAOYSA-N n-[1-[4-bromo-2-(hydroxymethyl)phenyl]cyclopropyl]-2,2,2-trifluoroacetamide Chemical compound OCC1=CC(Br)=CC=C1C1(NC(=O)C(F)(F)F)CC1 XIJSGLDAQIWRCN-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 125000005185 naphthylcarbonyl group Chemical group C1(=CC=CC2=CC=CC=C12)C(=O)* 0.000 description 1
- 125000005146 naphthylsulfonyl group Chemical group C1(=CC=CC2=CC=CC=C12)S(=O)(=O)* 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- OGJPXUAPXNRGGI-UHFFFAOYSA-N norfloxacin Chemical compound C1=C2N(CC)C=C(C(O)=O)C(=O)C2=CC(F)=C1N1CCNCC1 OGJPXUAPXNRGGI-UHFFFAOYSA-N 0.000 description 1
- 229960001180 norfloxacin Drugs 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229960001699 ofloxacin Drugs 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000003566 oxetanyl group Chemical group 0.000 description 1
- 125000006503 p-nitrobenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1[N+]([O-])=O)C([H])([H])* 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 125000001148 pentyloxycarbonyl group Chemical group 0.000 description 1
- 239000000546 pharmaceutical excipient Substances 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 230000000144 pharmacologic effect Effects 0.000 description 1
- 125000003170 phenylsulfonyl group Chemical group C1(=CC=CC=C1)S(=O)(=O)* 0.000 description 1
- 125000000612 phthaloyl group Chemical group C(C=1C(C(=O)*)=CC=CC1)(=O)* 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000006187 pill Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- MFDFERRIHVXMIY-UHFFFAOYSA-N procaine Chemical compound CCN(CC)CCOC(=O)C1=CC=C(N)C=C1 MFDFERRIHVXMIY-UHFFFAOYSA-N 0.000 description 1
- 229960004919 procaine Drugs 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- LISFMEBWQUVKPJ-UHFFFAOYSA-N quinolin-2-ol Chemical compound C1=CC=C2NC(=O)C=CC2=C1 LISFMEBWQUVKPJ-UHFFFAOYSA-N 0.000 description 1
- 125000005493 quinolyl group Chemical group 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 125000005930 sec-butyloxycarbonyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(OC(*)=O)C([H])([H])[H] 0.000 description 1
- 229910001923 silver oxide Inorganic materials 0.000 description 1
- VFWRGKJLLYDFBY-UHFFFAOYSA-N silver;hydrate Chemical compound O.[Ag].[Ag] VFWRGKJLLYDFBY-UHFFFAOYSA-N 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 239000011775 sodium fluoride Substances 0.000 description 1
- 235000013024 sodium fluoride Nutrition 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000829 suppository Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 125000001973 tert-pentyl group Chemical group [H]C([H])([H])C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 1
- 125000003718 tetrahydrofuranyl group Chemical group 0.000 description 1
- 125000001412 tetrahydropyranyl group Chemical group 0.000 description 1
- 125000004632 tetrahydrothiopyranyl group Chemical group S1C(CCCC1)* 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000001544 thienyl group Chemical group 0.000 description 1
- 125000002053 thietanyl group Chemical group 0.000 description 1
- LMYRWZFENFIFIT-UHFFFAOYSA-N toluene-4-sulfonamide Chemical compound CC1=CC=C(S(N)(=O)=O)C=C1 LMYRWZFENFIFIT-UHFFFAOYSA-N 0.000 description 1
- QIWRFOJWQSSRJZ-UHFFFAOYSA-N tributyl(ethenyl)stannane Chemical compound CCCC[Sn](CCCC)(CCCC)C=C QIWRFOJWQSSRJZ-UHFFFAOYSA-N 0.000 description 1
- CYCNUTJNTFCXKJ-UHFFFAOYSA-N tributyl-[1-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]stannane Chemical compound C1C2=CC([Sn](CCCC)(CCCC)CCCC)=CC=C2C(C)N1S(=O)(=O)C1=CC=C(C)C=C1 CYCNUTJNTFCXKJ-UHFFFAOYSA-N 0.000 description 1
- ZYIICCXNHGLNPV-UHFFFAOYSA-N tributyl-[3-methyl-2-(4-methylphenyl)sulfonyl-1,3-dihydroisoindol-5-yl]stannane Chemical compound CC1C2=CC([Sn](CCCC)(CCCC)CCCC)=CC=C2CN1S(=O)(=O)C1=CC=C(C)C=C1 ZYIICCXNHGLNPV-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- DTQVDTLACAAQTR-DYCDLGHISA-N trifluoroacetic acid-d1 Chemical compound [2H]OC(=O)C(F)(F)F DTQVDTLACAAQTR-DYCDLGHISA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/47—Quinolines; Isoquinolines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P31/00—Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
- A61P31/04—Antibacterial agents
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/22—Tin compounds
- C07F7/2208—Compounds having tin linked only to carbon, hydrogen and/or halogen
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- This invention relates to a novel quinolone-or naphthylidone-carboxylic acid derivative represented by the general formula [1] or its salt which exhibits a strong antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, particularly MRSA.
- Norfloxacin As a quinolone type synthetic antibacterial agent, Norfloxacin, Ciprofloxacin, Ofloxacin and the like have heretofore been widely used in clinic, but do not have a sufficient activity against Gram-positive bacteria, particularly MRSA. Therefore, it has been desired to develop synthetic antibacterial agents which are effective to these bacteria and have a broad antibacterial spectrum.
- R 1 represents a hydrogen atom or a carboxyl-protecting group
- R 2 represents a substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl or heterocyclic group
- R 3 represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl, alkoxy or alkylthio group, a nitro group, a cyano group, an acyl group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxyalkyl group, a protected or unprotected amino group, a protected or unprotected alkylamino
- halogen atom means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom
- alkyl group means a straight chain or branched chain C 1-10 alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, hexyl, heptyl, octyl or the like
- lower alkyl group means a straight chain or branched chain C 1-5 alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl or the like
- alkoxy group means a straight chain or branched
- the carboxyl-protecting group includes all conventional carboxyl-protecting groups and there are specifically mentioned lower alkyl groups such as methyl, ethyl, n-propyl, isopropyl, 1,1-dimethylpropyl, n-butyl, tert-butyl and the like; aryl groups such as phenyl, naphthyl and the like; ar-lower alkyl groups such as benzyl, diphenylmethyl, trityl, p-nitrobenzyl, p-methoxybenzyl, bis(p-methoxyphenyl)methyl and the like; acyl-lower alkyl groups such as acetylmethyl, benzoylmethyl, p-nitrobenzoylmethyl, p-bromobenzoylmethyl, p-methanesulfonylbenzoylmethyl and the like; oxygen-containing heterocyclic groups such as 2-tetrahydropyranyl, 2-tetrahydro
- the protecting group of the protected amino, lower alkylamino, alkylamino, amino-lower alkyl, aminoalkyl, lower alkylamino-lower alkyl or alkylaminoalkyl group includes all conventional amino-protecting groups and there are specifically mentioned acyl groups such as trichloroethoxycarbonyl, tribromoethoxycarbonyl, benzyloxycarbonyl, p-nitrobenzylcarbonyl, o-bromobenzyloxycarbonyl, (mono-, di- or tri-)chloroacetyl, trifluoroacetyl, phenylacetyl, formyl, acetyl, benzoyl, tert-amyloxycarbonyl, tert-butoxycarbonyl, p-methoxybenzyloxycarbonyl, 3,4-dimethoxybenzyloxycarbonyl, 4-(phenylazo)benzyloxycarbonyl, 2-furfuryl
- the protecting group of the protected hydroxyl, hydroxyl-lower alkyl or hydroxyalkyl group includes all conventional hydroxyl-protecting groups, and there are specifically mentioned acyl groups such as benzyloxycarbonyl, 4-nitrobenzyloxycarbonyl, 4-bromobenzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, 3,4-dimethoxybenzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, tert-butoxycarbonyl, 1,1-dimethylpropoxycarbonyl, isopropoxycarbonyl, isobutyloxycarbonyl, diphenylmethoxycarbonyl, 2,2,2-trichloroethoxycarbonyl, 2,2,2-tribromoethoxycarbonyl, 2-(trimethylsilyl)-ethoxycarbonyl, 2-(phenylsulfonyl)ethoxycarbonyl, 2-(triphenylphosphonio)ethoxycarbonyl
- the salt of the compound represented by the general formula [1] includes usually known salts at basic groups such as amino group and the like and salts at acidic groups such as hydroxyl group, carboxyl group and the like.
- the salts at the basic groups include, for example, salts with mineral acids such as hydrochloric acid, hydrobromic acid, sulfuric acid and the like; salts with organic carboxylic acids such as tartaric acid, formic acid, citric acid, trichloroacetic acid, trifluoroacetic acid and the like; and salts with sulfonic acids such as methanesulfonic acid, benzenesulfonic acid, p-touenesulfonic acid, mesitylenesulfonic acid, naphthalenesulfonic acid and the like; and the salts at the acidic groups include, for example, salts with alkali metals such as sodium, potassium and the like; salts with alkaline earth metals such as calcium, magnesium and the like; ammonium salt
- R 2 represents a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl or heterocyclic group
- R 3 represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl, lower alkoxy or lower alkylthio group, a nitro group, a cyano group, an acyl group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxy-lower alkyl group, a protected or unprotected amino group, a protected or unprotected lower alkylamino group, a di-lower alkylamino group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylala
- R 3 represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkoxy or lower alkylthio group, a nitro group, a cyano group, a protected or unprotected hydroxyl group and a protected or unprotected amino group.
- R 4 is at least one group selected from the group consisting of a hydrogen atom, a substituted or unsubstituted lower alkyl group, a lower alkylidene group and a group forming a cycloalkane ring together with the carbon atom to which R 4 is bonded.
- R 5 represents a hydrogen atom or a substituted or unsubstituted lower alkyl or cycloalkyl group.
- this invention includes these isomers, and also the compound or its salt may be in the form of a solvate or hydrate and in the various crystal forms.
- the compound of this invention can be synthesized according to, for example, the following production processes.
- R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , and X are as defined above;
- X 1 represents a chlorine atom, a bromine atom or an iodine atom;
- Alk represents a straight chain or branched chain alkyl group having 1 to 6 carbon atoms.
- the salts of the compounds of the general formulas [2], [3], [4] and [5] include the same salts as mentioned as to the compound of the general formula [1].
- the compound of the general formula [1] or its salt can be obtained by subjecting to coupling reaction with a compound of the general formula [2] or its salt and an organotin compound of the general formula [3] or its salt or an organotin compound of the general formula [4] or its salt and a compound of the general formula [5] or its salt in the presence or absence of a silver oxide using a palladium complex catalyst.
- a solvent used in this reaction may be any solvent as far as it does not adversely affect the reaction.
- aromatic hydrocarbons such as benzene, toluene, xylene and the like
- ethers such as dioxane, tetrahydrofuran, anisole, diethylene glycol diethyl ether, dimethyl Cellosolve and the like
- nitriles such as acetonitrile and the like
- amides such as N,N-dimethylformamide, N,N-dimethylacetamide and the like
- sulfoxides such as dimethylsulfoxide and the like, and these solvents may be used alone or in admixture of two or more.
- the palladium complex catalyst used in this reaction includes, for example, PdCl 2 (PPh 3 ) 2 , Pd(PPh 3 ) 4 , PdCl 2 [P(O-tolyl) 3 ] 2 , PdCl 2 +2P(OEt) 3 and PdCl 2 (PhCN) 2 in which Ph represents a phenyl group.
- the amount of the organotin compound of the general formula [3] or its salt used is at least one mole, preferably 1.0 to 2.0 moles, per mole of the compound of the general formula [2] or its salt, and the amount of the compound of the general formula [5] or its salt used is at least one mole, preferably 1.0 to 5.0 moles, per mole of the organotin compound of the general formula [4] or its salt.
- This coupling reaction may usually be effected at a temperature of 50 to 170°C for a period of one minute to 24 hours under an atmosphere of an inert gas (for example, argon, nitrogen).
- an inert gas for example, argon, nitrogen
- the thus obtained compound of the general formula [1] or its salt can be converted into another compound of the general formula [1] or its salt by subjecting the former to a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- the compounds of the general formulas [2], [3], [4] and [5] or their salts to be used in the above-mentioned production processes have isomers (for example, optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor. Also, the above compounds or their salts may be used in the form of a solvate or hydrate or in various crystal forms.
- organotin compounds of the general formulas [3] and [4] or their salts are novel compounds.
- the compound of the general formula [2] or its salt and the organotin compound of the general formula [4] or its salt can be synthesized according to, for example, the following production processes.
- R 1 , R 2 , R 6 , X, X 1 and Alk have the same meanings as mentioned above;
- R 1a represents the same carboxyl-protecting group as R 1 ;
- R 2a represents the same substituted or unsubstituted alkyl, alkenyl, cycloalkyl, aryl or heterocyclic group as R 2 ; is a group represented by the formula: in which Y a represents a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl, alkoxy or alkylthio group or a protected or unprotected hydroxyl group; and X 2 represents a halogen
- the salts of the compounds of the general formulas [6], [7], [8], [9], [10], [11] and [12] include the same salts as explained as to the compound of the general formula [1].
- the compound of the general formula [2] or [4] in which is a group represented by the formula: in which Y' forms a group represented by the following formula together with R 2 : in which B and R 7 have the same meanings as mentioned above can be specifically prepared according to the method stated in Japanese Patent Application Kokai No. 2-85,255 or the like.
- the aryltin compound of the general formula [10] or its salt, the aryltin compound of the general formula [11] or its salt or the aryltin compound of the general formula [4] or its salt can be obtained by reacting the halogenated aryl compound of the general formula [6] or its salt, the halogenated aryl compound of the general formula [7] or its salt or the halogenated aryl compound of the general formula [2] or its salt, respectively, with a hexaalkyldistannane using a palladium complex catalyst according to the method stated in, for example, Bulletin of the Chemical Society of Japan, vol 56, pages 3855-3856 (1983).
- the solvent and palladium complex catalyst used may be those which do not adversely affect the reaction and are not particularly limited. Specific examples thereof are the same as mentioned in the Production Process 1 above.
- the amount of the hexaalkyldistannane used is at least one mole, preferably 1.0-3.0 moles, per mole of the halogenated aryl compound of the general formula [6], [7] or [2] or its salt. This reaction may be usually carried out at a temperature of 40-160°C for a period of 1-72 hours.
- the compound of the general formula [2], [4], [6], [7], [8], [9], [10], [11] or [12] or its salt used in the above-mentioned production processes has isomers (for example, optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor.
- the above compound or its salt may be used in the form of a solvate or hydrate or in the desired crystal form. After completion of the reaction, the reaction mixture may be used as it is without isolating the objective compound in the subsequent reaction.
- the compound of the general formula [6] or its salt and the compound of the general formula [2] or its salt which are one of the starting materials for producing the compound of this invention can be synthesized from a known compound by converting it to a compound having the desired X 1 by the method stated in, for example, Japanese Patent Application Kokai No. 1-100,166, namely utilizing the Sandmeyer reaction.
- organotin compound of the general formula [3] or its salt can be synthesized according to, for example, the following synthesis method: wherein R 3 , R 4 , R 5 , X 1 and Alk have the same meanings as mentioned above.
- the compound of the general formula [3] or its salt can be obtained by reacting a compound of the general formula [5] or its salt with a hexaalkyldistannane using a palladium complex catalyst according to the above-mentioned method.
- the isoindoline halide compound represented by the general formula [5] or its salt which is one of the starting materials for producing the compound of this invention can be synthesized by the following synthesis methods according to, for example, the method of Organic Synthesis, vol. 5, pages 1064-1066, the method stated in Japanese Patent Application Kokai No. 63-179,872, Japanese Patent Application Kokai No. 2-62,875 or Japanese Patent Application Kokai No. 3-52,888 or Arzniem.-Forsh./Drug Res. 30(II), 1487-1493 (1980) or the like method.
- R 3 , R 4 , R 5 and X 1 have the same meanings as mentioned above and Y represents a removing group.
- the salts of the compounds of the general formulas [13], [14], [15] and [5a] include the same salts as mentioned as to the compound of the general formula [1].
- the removing group for Y includes halogen atoms such as a chlorine atom, a bromine atom and the like.
- the compound of the general formula [5] or its salt can be obtained by reacting a compound of the general formula [13] or its salt with R 5 NH 2 or by subjecting a compound of the general formula [14] or its salt to dehydration reaction.
- the compound of the general formula [5a] or its salt, which has an imino group can be obtained by subjecting a compound of the general formula [15] or its salt to ring-closure reaction.
- a compound of the general formula [13], [14] or [15] or its salt and an organotin compound derived from the compound of the general formula [13], [14] or [15] or its salt is subjected to coupling reaction with a compound of the general formula [4] or [2] or its salt according to the same method as mentioned in the Production Process 1 above, and the compound obtained is subjected to isoindoline ring formation reaction according to the same method as mentioned above to obtain the compound of the general formula [1] or its salt.
- the compound of the general formula [1] or its salt can also be produced by another production process as shown below.
- R 1 , R 1a , R 2 , R 2a , R 3 , R 4 , R 5 , R 6 , X and X 2 have the same meanings as mentioned above.
- the salts of the compound of the general formula [16] or [17] includes the same salts as mentioned as to the compound of the general formula [1].
- the compound of the general formula [1] or its salt can be obtained from the compound of the general formula [16] or its salt according to the above-mentioned method (the synthesis of the general formula [2] or [4] or its salt from the compound of the general formula [7] or [11] or its salt).
- the compound of the general formula [1] or its salt can be obtained by reacting the compound of the general formula [16] or its salt with an orthoester or an acetal in the presence or absence of an acid anhydride such as acetic anhydride, then with the compound of the general formula [8] or its salt to produce a compound of the general formula [17] or its salt and subsequently subjecting the compound of the general formula [17] or its salt to ring-closure reaction in the presence or absence of a fluoride salt or a base.
- an acid anhydride such as acetic anhydride
- the compound of the general formula [1] or its salt thus obtained can be converted to another compound of the general formula [1] or its salt by subjecting the former to a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- the compound of the general formula [8], [16], [17] or [1] or its salt has an amino, hydroxyl or carboxyl group
- the reaction mixture may be used as it is in the subsequent reaction without isolating the objective compound.
- the compound of the general formula [16] or its salt which is one of the starting materials for producing the compound of this invention is explained.
- the compound of the general formula [16] or its salt is novel and can be synthesized according to, for example, the following production processes.
- R 1 , R 1a , R 3 , R 4 , R 5 , R 6 , X, X 1 , X 2 and Alk have the same meanings as mentioned above.
- the salt of the compound of the general formula [18] include the same salts as mentioned as to the compound of the general formula [1].
- the compound of the general formula [16] or its salt can be produced from the compound of the general formula [7] or [11] or its salt according to the same method as mentioned in the Production Process 1 above or can also be produced by subjecting the compound of the general formula [18] or its salt to ketoesterification reaction according to the above-mentioned method.
- the compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt can be obtained by subjecting the compound of the general formula [6] or its salt or the compound of the general formula [10] or its salt, respectively, to ketoesterification reaction according to the above-mentioned method.
- the compound of the general formula [18] or its salt can be produced from the compound of the general formula [6] or [10] or its salt according to the same method as mentioned in the Production Process 1 above.
- the compound of the general formula [1] or its salt thus obtained can be isolated and purified according to a conventional method such as extraction, crystallization, column chromatography or the like.
- the compound of this invention when used as a drug or medicine, the compound may be mixed with a preparation adjuvant such as an excipient, a carrier or a diluent which is used in conventional pharmaceutical preparations and can be orally or parenterally administered in the form of a tablet, capsule, powder, syrup, granule, pill, dispersion, emulsion, solution, suppository, ointment, injection or the like.
- a preparation adjuvant such as an excipient, a carrier or a diluent which is used in conventional pharmaceutical preparations and can be orally or parenterally administered in the form of a tablet, capsule, powder, syrup, granule, pill, dispersion, emulsion, solution, suppository, ointment, injection or the like.
- the administration route, dosage and number of administrations can be appropriately varied depending upon the age, weight and symptom of a patient. Usually, it is sufficient to administer the compound to an adult by an oral or parenteral administration (
- the mixing ratio in the eluent is by volume unless otherwise specified.
- the carrier used in the column chromatography was Silica gel 60, No. 7734 (manufactured by MERCK & CO., INC.).
- d 1 -TFA means a trifluoroacetic acid-d 1
- d 6 -DMSO means a dimethylsulfoxide-d 6 .
- the oily product thus obtained was dissolved in a mixed solvent of 62 ml of methanol and 12 ml of methylene chloride, and thereafter, at -50°C, an ozone gas was blown thereinto for three hours and subsequently a nitrogen gas was blown thereinto for 30 minutes.
- the temperature of this solution was elevated to -20°C, and thereafter, 0.81 g of sodium borohydride was added thereto, after which the resulting mixture was stirred at room temperature for 12 hours.
- the hydrobromide obtained was suspended in 50 ml of methylene chloride, and 2.8 g of triethylamine was added to the suspension, after which 2.4 g of carbobenzoxy chloride was dropwise added thereto with ice-cooling. Thereafter, the resulting mixture was stirred at room temperature for one hour.
- the reaction mixture was added 50 ml of water and the pH was adjusted to 1 with 6 N hydrochloric acid. Thereafter, the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium chloride. The solvent was then removed by distillation under reduced pressure. To the residue thus obtained was added n-hexane, and the resulting crystals were collected by filtration to obtain 3.8 g of colorless, crystalline 2-benzyloxycarbonyl-5-bromoisoindoline.
- the crude crystals obtained were purified by a column chromatography (eluent: chloroform), to obtain 490 mg of colorless, crystalline ethyl 7-(4-cyano-3-methyl)phenyl-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: chloroform), after which diethyl ether was added thereto.
- the crystals formed were collected by filtration to obtain 0.19 g of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- the residue obtained was dissolved in 1 ml of ethanol, and a solution of 58 mg of 2-fluoroethylamine hydrochloride and 27 mg of sodium methoxide in 1 ml of ethanol was added to the solution, after which the resulting mixture was stirred at room temperature for 20 minutes.
- the reaction mixture was concentrated under reduced pressure, and the residue obtained was dissolved in 2 ml of N,N-dimethylformamide, after which 65 mg of potassium carbonate was added to the solution.
- the resulting mixture was stirred at 100°C for one hour.
- the reaction mixture was cooled to room temperature, and thereafter, water was added to the mixture.
- reaction mixture was concentrated under reduced pressure, and the residue obtained was dissolved in 10 ml of tetrahydrofuran. To the solution was added 0.05 g of 60% sodium hydride, and the resulting mixture was stirred at room temperature for 30 minutes. To the reaction mixture was added 10 ml of 1 N hydrochloric acid, and the crystals precipitated were collected by filtration, to obtain 0.33 g of colorless, crystalline ethyl 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-methoxy-5-nitro-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- the reaction mixture was concentrated under reduced pressure, and ethanol was added to the residue obtained, after which the crystals formed were collected by filtration, to obtain 0.38 g of colorless, crystalline 1-cyclopropyl-6-fluoro-8-methyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid hydrobromide.
- the hydrobromide obtained was suspended in 3.8 ml of ethanol and then dissolved in 7.6 ml of 0.5 N aqueous sodium hydroxide solution, after which a carbon dioxide gas was blown into the solution.
- the crystals formed were collected by filtration, to obtain 0.27 g of colorless, crystalline 1-cyclopropyl-6-fluoro-8-methyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- the compounds of the present invention in which a carbon atom of an isoindolin ring is bonded to 7-position of a quinolone- or naphthylidone-carboxylic acid skeleton are useful as an antibacterial agent.
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Abstract
Description
- This invention relates to a novel quinolone-or naphthylidone-carboxylic acid derivative represented by the general formula [1] or its salt which exhibits a strong antibacterial activity against Gram-positive bacteria and Gram-negative bacteria, particularly MRSA.
- As a quinolone type synthetic antibacterial agent, Norfloxacin, Ciprofloxacin, Ofloxacin and the like have heretofore been widely used in clinic, but do not have a sufficient activity against Gram-positive bacteria, particularly MRSA. Therefore, it has been desired to develop synthetic antibacterial agents which are effective to these bacteria and have a broad antibacterial spectrum.
- Under such circumstances, the present inventors have made extensive research to find that a quinolone- or naphthylidone-carboxylic acid derivative represented by the general formula [1] or its salt has an excellent antibacterial activity:
- This invention is explained in detail below.
- In the present specification, unless otherwise specified, the term "halogen atom" means a fluorine atom, a chlorine atom, a bromine atom or an iodine atom; the term "alkyl group" means a straight chain or branched chain C1-10alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, hexyl, heptyl, octyl or the like; the term "lower alkyl group" means a straight chain or branched chain C1-5alkyl group such as methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl or the like; the term "alkoxy group" means a straight chain or branched chain C1-10alkoxy group such as methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy, hexyloxy, heptyloxy, octyloxy or the like; the term "lower alkoxy group" means a straight chain or branched chain C1-5alkoxy group such as methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy, isobutoxy, sec-butoxy, tert-butoxy, pentyloxy or the like; the term "alkylthio group" means a straight chain or branched chain C1-10alkylthio group such as methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio, isobutylthio, sec-butylthio, tert-butylthio, pentylthio, hexylthio, heptylthio, octylthio or the like; the term "lower alkylthio group" means a straight chain or branched chain C1-5alkylthio group such as methylthio, ethylthio, n-propylthio, isopropylthio, n-butylthio, isobutylthio, sec-butylthio, tert-butylthio, pentylthio or the like; the term "acyl group" means a formyl group, a straight chain or branched chain C2-5alkanoyl group such as acetyl, ethylcarbonyl or the like or an aroyl group such as benzoyl, naphthylcarbonyl or the like; the term "lower alkoxycarbonyl group" means a straight chain or branched chain C1-5alkoxycarbonyl group such as methoxycarbonyl, ethoxycarbonyl, n-propoxycarbonyl, isopropoxycarbonyl, n-butoxycarbonyl, isobutoxycarbonyl, sec-butoxycarbonyl, tert-butoxycarbonyl, pentyloxycarbonyl or the like; the term "alkylamino group" means a straight chain or branched chain C1-10alkylamino group such as methylamino, ethylamino, propylamino, butylamino, pentylamino, hexylamino, heptylamino, octylamino or the like; the term "lower alkylamino group" means a straight chain or branched chain C1-5alkylamino group such as methylamino, ethylamino, propylamino or the like; the term "dialkyl-amino group" means a di-straight chain or branched chain C1-10alkylamino group such as dimethylamino, diethylamino, methylethylamino, dipropylamino, dibutylamino, dipentylamino, dihexylamino, diheptylamino, dioctylamino or the like; the term "di-lower alkylamino group" means a di-straight chain or branched chain C1-5alkylamino group such as dimethylamino, diethylamino, methylethylamino or the like; the term "aminoalkyl group" means an amino-straight chain or branched chain C1-10alkyl group such as aminomethyl, aminoethyl, aminopropyl, aminobutyl, aminopentyl, aminohexyl, amino- heptyl, aminooctyl or the like; the term "amino-lower alkyl group" means an amino-straight chain or branched chain C1-5alkyl group such as aminomethyl, aminoethyl, aminopropyl or the like; the term "alkylaminoalkyl group" means a straight chain or branched chain C1-10alkyl-amino-straight chain or branched chain C1-10alkyl group such as methylaminomethyl, methylaminoethyl, ethylaminomethyl, methylaminopropyl, propylaminoethyl, methylaminobutyl, butylaminoethyl, pentylaminomethyl, methylaminohexyl, heptylaminopropyl, butylaminooctyl or the like; the term "lower alkylamino-lower alkyl group" means a straight chain or branched chain C1-5alkylamino-straight chain or branched chain C1-5alkyl group such as methylaminomethyl, methylaminoethyl, ethylaminomethyl, methylaminopropyl, propylaminoethyl or the like; the term "dialkylaminoalkyl group" means a di-straight chain or branched chain C1-10alkylamino-straight chain or branched chain C1-10alkyl group such as dimethylaminomethyl, diethylaminomethyl, diethylaminopropyl, dimethylaminobutyl, dipropylaminomethyl, dibutylaminomethyl, diethylaminopentyl, dihexylaminomethyl, dipentylaminoheptyl, dioctylaminohexyl or the like; the term "di-lower alkylamino-lower alkyl group" means a distraight chain or branched chain C1-5alkylamino-straight chain or branched chain C1-5alkyl group such as dimethylaminomethyl, diethylaminomethyl, diethylaminoethyl, dimethylaminopropyl or the like; the term "hydroxyalkyl group" means a hydroxy-straight chain or branched chain C1-10alkyl group such as hydroxymethyl, hydroxyethyl, hydroxypropyl, hydroxybutyl, hydroxypentyl, hydroxyhexyl, hydroxyheptyl, hydroxyoctyl or the like; the term "hydroxy-lower alkyl group" means a hydroxy-straight chain or branched chain C1-5alkyl group such as hydroxymethyl, hydroxyethyl, hydroxypropyl or the like; the term "halogenoalkyl group" means a halogeno-straight chain or branched chain C1-10alkyl group such as fluoromethyl, chloromethyl, bromomethyl, dichloromethyl, trifluoromethyl, trichloromethyl, chloroethyl, dichloroethyl, trichloroethyl, chloropropyl, chlorobutyl, chloropentyl, chlorohexyl, chloroheptyl, chlorooctyl or the like; the term "halogeno-lower alkyl group" means a halogeno-straight chain or branched chain C1-5alkyl group such as fluoromethyl, chloromethyl, bromomethyl, dichloromethyl, trifluoromethyl, trichloromethyl, chloroethyl, dichloroethyl, trichloroethyl, chloropropyl or the like; the term "alkenyl group" means a straight chain or branched chain C2-10alkenyl group such as vinyl, allyl, isopropenyl, butenyl, pentenyl, hexenyl, heptenyl, octenyl or the like; the term "lower alkenyl group" means a straight chain or branched chain C2-5alkenyl group such as vinyl, allyl or the like; the term "alkylidene group" means a straight chain or branched chain C1-10alkylidene group such as methylene, ethylidene, propylidene, isopropylidene, butylidene, hexylidene, octylidene or the like; the term "lower alkylidene group" means a straight chain or branched chain C1-5alkylidene group such as methylene, ethylidene, propylidene, isopropylidene or the like; the term "cycloalkyl group" means a C3-6cycloalkyl group such as cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl or the like; the term "cycloalkane ring" means a C3-6cycloalkane ring such as cyclopropane, cyclobutane, cyclopentane, cyclohexane or the like; the term "alkylsulfonyl group" means a straight chain or branched chain C1-10alkylsulfonyl group such as methylsulfonyl, ethylsulfonyl, n-propylsulfonyl, isopropylsulfonyl, n-butylsulfonyl, isobutylsulfonyl, sec-butylsulfonyl, tert-butylsulfonyl, pentylsulfonyl, hexylsulfonyl, heptylsulfonyl, octylsulfonyl or the like; the term "lower alkylsulfonyl group" means a straight chain or branched chain C1-5alkylsulfonyl group such as methylsulfonyl, ethylsulfonyl, n-propylsulfonyl, isopropylsulfonyl, n-butylsulfonyl, isobutylsulfonyl, sec-butylsulfonyl, tert-butylsulfonyl, pentylsulfonyl or the like; the term "aryl group" means a phenyl or naphthyl group or the like; the term "arylsulfonyl group" means a phenylsulfonyl or naphthylsulfonyl group or the like; the term "aralkyl group" means a benzyl or phenethyl group or the like; and the term "heterocyclic group" means a 4-membered, 5-membered or 6-membered cyclic group containing at least one hetero atom selected from the group consisting of oxygen atom, nitrogen atom and sulfur atom as the hetero atom forming the ring or a condensed cyclic group thereof such as oxetanyl, thietanyl, azetidinyl, furyl, pyrrolyl, thienyl, oxazolyl, isoxazolyl, imidazolyl, thiazolyl, isothiazolyl, pyrrolidinyl, benzofuranyl, benzothiazolyl, pyridyl, quinolyl, pyrimidinyl or morpholinyl group.
- The substituent of the substituted or unsubstituted lower alkyl, alkyl, lower alkenyl, alkenyl, cycloalkyl, aryl or heterocyclic group in R2; the substituent of the substituted or unsubstituted lower alkyl, alkyl, lower alkenyl, alkenyl, cycloalkyl, aryl, lower alkoxy, alkoxy, lower alkylthio or alkylthio group in R3; the substituent of the substituted or unsubstituted lower alkyl, alkyl, lower alkenyl, alkenyl, cycloalkyl, aralkyl, aryl, lower alkoxy, alkoxy, lower alkylthio or alkylthio group in R4; the substituent of the substituted or unsubstituted lower alkyl, alkyl, cycloalkyl, lower alkylsulfonyl, alkylsulfonyl, arylsulfonyl, acyl or aryl group in R5; the substituent of the substituted or unsubstituted lower alkyl, alkyl, lower alkoxy, alkoxy, lower alkylthio or alkylthio group in R6; and the substituent of the substituted or unsubstituted lower alkyl, alkyl, lower alkoxy, alkoxy, lower alkylthio or alkylthio group in Y include halogen atoms, cyano group, protected or unprotected carboxyl groups, protected or unprotected hydroxyl groups, protected unprotected amino groups, lower alkyl groups, lower alkoxy groups, lower alkoxycarbonyl groups, aryl groups, cycloalkyl groups, lower alkenyl groups, halogeno-lower alkyl groups, protected or unprotected lower alkylamino groups and di-lower alkylamino groups, and may be substituted by at least one of these substituents.
- The carboxyl-protecting group includes all conventional carboxyl-protecting groups and there are specifically mentioned lower alkyl groups such as methyl, ethyl, n-propyl, isopropyl, 1,1-dimethylpropyl, n-butyl, tert-butyl and the like; aryl groups such as phenyl, naphthyl and the like; ar-lower alkyl groups such as benzyl, diphenylmethyl, trityl, p-nitrobenzyl, p-methoxybenzyl, bis(p-methoxyphenyl)methyl and the like; acyl-lower alkyl groups such as acetylmethyl, benzoylmethyl, p-nitrobenzoylmethyl, p-bromobenzoylmethyl, p-methanesulfonylbenzoylmethyl and the like; oxygen-containing heterocyclic groups such as 2-tetrahydropyranyl, 2-tetrahydrofuranyl and the like; halogeno-lower alkyl groups such as 2,2,2-trichloroethyl and the like; lower alkylsilylalkyl groups such as 2-(trimethylsilyl)ethyl and the like; acyloxyalkyl groups such as acetoxymethyl, propionyloxymethyl, pivaloyloxymethyl and the like; nitrogen-containing heterocyclic lower alkyl groups such as phthalimidomethyl, succinimidomethyl and the like; cycloalkyl groups such as cyclohexyl and the like; lower alkoxy-lower alkyl groups such as methoxymethyl, methoxyethoxymethyl, 2-(trimethylsilyl)ethoxymethyl and the like; ar-lower alkoxy-lower alkyl groups such as benzyloxymethyl and the like; lower alkylthio-lower alkyl groups such as methylthiomethyl, 2-methylthioethyl and the like; arylthio-lower alkyl groups such as phenylthiomethyl and the like; lower alkenyl groups such as 1,1-dimethyl-2-propenyl, 3-methyl-3-butenyl, allyl and the like; and substituted silyl groups such as trimethylsilyl, triethylsilyl, triisopropylsilyl, diethylisopropylsilyl, tert-butyldimethylsilyl, tert-butyldiphenylsilyl, diphenylmethylsilyl, tert-butylmethoxyphenylsilyl and the like; etc.
- Also, the protecting group of the protected amino, lower alkylamino, alkylamino, amino-lower alkyl, aminoalkyl, lower alkylamino-lower alkyl or alkylaminoalkyl group includes all conventional amino-protecting groups and there are specifically mentioned acyl groups such as trichloroethoxycarbonyl, tribromoethoxycarbonyl, benzyloxycarbonyl, p-nitrobenzylcarbonyl, o-bromobenzyloxycarbonyl, (mono-, di- or tri-)chloroacetyl, trifluoroacetyl, phenylacetyl, formyl, acetyl, benzoyl, tert-amyloxycarbonyl, tert-butoxycarbonyl, p-methoxybenzyloxycarbonyl, 3,4-dimethoxybenzyloxycarbonyl, 4-(phenylazo)benzyloxycarbonyl, 2-furfuryloxycarbonyl, diphenylmethoxycarbonyl, 1,1-dimethylpropoxycarbonyl, isopropoxycarbonyl, phthaloyl, succinyl, alanyl, leucyl, 1-adamantyloxycarbonyl, 8-quinolyloxycarbonyl and the like; ar-lower alkyl groups such as benzyl, diphenylmethyl, trityl and the like; arylthio groups such as 2-nitrophenylthio, 2,4-dinitrophenylthio and the like; alkyl- and aryl-sulfonyl groups such as methanesulfonyl, p-toluenesulfonyl and the like; di-lower alkylamino-lower alkylidene groups such as N,N-dimethylaminomethylene and the like; ar-lower alkylidene groups such as benzylidene, 2-hydroxybenzylidene, 2-hydroxy-5-chlorobenzylidene, 2-hydroxy-1-naphthyl-methylene and the like; nitrogen-containing heterocyclic alkylidene groups such as 3-hydroxy-4-pyridylmethylene and the like; cycloalkylidene groups such as cyclohexylidene, 2-ethoxycarbonylcyclohexylidene, 2-ethoxycarbonylcyclopentylidene, 2-acetylcyclohexylidene, 3,3-dimethyl-5-oxycyclohexylidene and the like; diaryl-and diar-lower alkylphosphoryl groups such as diphenylphosphoryl, dibenzylphosphoryl and the like; oxygen-containing heterocyclic alkyl groups such as 5-methyl-2-oxo-2H-1,3-dioxol-4-yl-methyl and the like; substituted silyl groups such as trimethylsilyl and the like; etc.
- Moreover, the protecting group of the protected hydroxyl, hydroxyl-lower alkyl or hydroxyalkyl group includes all conventional hydroxyl-protecting groups, and there are specifically mentioned acyl groups such as benzyloxycarbonyl, 4-nitrobenzyloxycarbonyl, 4-bromobenzyloxycarbonyl, 4-methoxybenzyloxycarbonyl, 3,4-dimethoxybenzyloxycarbonyl, methoxycarbonyl, ethoxycarbonyl, tert-butoxycarbonyl, 1,1-dimethylpropoxycarbonyl, isopropoxycarbonyl, isobutyloxycarbonyl, diphenylmethoxycarbonyl, 2,2,2-trichloroethoxycarbonyl, 2,2,2-tribromoethoxycarbonyl, 2-(trimethylsilyl)-ethoxycarbonyl, 2-(phenylsulfonyl)ethoxycarbonyl, 2-(triphenylphosphonio)ethoxycarbonyl, 2-furfuryloxycarbonyl, 1-adamantyloxycarbonyl, vinyloxycarbonyl, allyloxycarbonyl, S-benzylthiocarbonyl, 4-ethoxy-1-naphthyloxycarbonyl, 8-quinolyloxycarbonyl, acetyl, formyl, chloroacetyl, dichloroacetyl, trichloroacetyl, trifluoroacetyl, methoxyacetyl, phenoxyacetyl, pivaloyl, benzoyl and the like; lower alkyl groups such as methyl, tert-butyl, 2,2,2-trichloroethyl, 2-trimethylsilylethyl and the like; lower alkenyl groups such as allyl and the like; ar-lower alkyl groups such as benzyl, p-methoxybenzyl, 3,4-dimethoxybenzyl, diphenylmethyl, trityl and the like; oxygen-containing and sulfur-containing heterocyclic groups such as tetrahydrofuryl, tetrahydropyranyl, tetrahydrothiopyranyl and the like; lower alkoxy- and lower alkylthio-lower alkyl groups such as methoxymethyl, methylthiomethyl, benzyloxymethyl, 2-methoxyethoxymethyl, 2,2,2-trichloroethoxymethyl, 2-(trimethylsilyl)ethoxymethyl, 1-ethoxyethyl and the like; alkyl- and arylsulfonyl groups such as methanesulfonyl, p-toluene-sulfonyl and the like; substituted silyl groups such as trimethylsilyl, triethylsilyl, triisopropylsilyl, diethylisopropylsilyl, tert-butyldimethylsilyl, tert-butyldiphenylsilyl, diphenylmethylsilyl, tert-butylmethoxyphenylsilyl and the like; etc.
- The salt of the compound represented by the general formula [1] includes usually known salts at basic groups such as amino group and the like and salts at acidic groups such as hydroxyl group, carboxyl group and the like. The salts at the basic groups include, for example, salts with mineral acids such as hydrochloric acid, hydrobromic acid, sulfuric acid and the like; salts with organic carboxylic acids such as tartaric acid, formic acid, citric acid, trichloroacetic acid, trifluoroacetic acid and the like; and salts with sulfonic acids such as methanesulfonic acid, benzenesulfonic acid, p-touenesulfonic acid, mesitylenesulfonic acid, naphthalenesulfonic acid and the like; and the salts at the acidic groups include, for example, salts with alkali metals such as sodium, potassium and the like; salts with alkaline earth metals such as calcium, magnesium and the like; ammonium salts; nitrogen-containing organic bases such as trimethylamine, triethylamine, tributylamine, pyridine, N,N-dimethylaniline, N-methylpiperidine, N-methylmorpholine, diethylamine, dicyclohexylamine, procaine, dibenzylamine, N-benzyl-β-phenethylamine, 1-ephenamine, N,N'-dibenzylethylenediamine and the like; etc. Among the salts represented by the general formula [1], pharmaceutically acceptable salts are preferable.
- Among the compounds of this invention, preferable are compounds of the general formula [1] wherein R2 represents a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl or heterocyclic group; R3 represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl, lower alkoxy or lower alkylthio group, a nitro group, a cyano group, an acyl group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxy-lower alkyl group, a protected or unprotected amino group, a protected or unprotected lower alkylamino group, a di-lower alkylamino group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group and a di-lower alkylamino-lower alkyl group; R4 represents at least one group selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aralkyl, aryl, lower alkoxy or lower alkylthio group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxy-lower alkyl group, a protected or unprotected amino group, a protected or unprotected lower alkylamino group, a di-lower alkylamino group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group, a di-lower alkylamino-lower alkyl group, a lower alkylidene group, an oxo group, an imino group and a group forming a cycloalkane ring together with the carbon atom to which R4 is bonded; R5 represents a hydrogen atom, a substituted or unsubstituted lower alkyl, cycloalkyl, lower alkylsulfonyl, arylsulfonyl, acyl or aryl group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group, a di-lower alkylamino-lower alkyl group or a protected or unprotected hydroxy-lower alkyl group; R6 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkoxy or lower alkylthio group, a protected or unprotected hydroxyl group, a protected or unprotected amino group or a nitro group;
- Among the compounds of this invention, representative compounds thereof are as follows:
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-ethyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-(2,4-difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-ethyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-(2,4-difluorophenyl)-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6,8-difluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6,8-difluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(2,4-difluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6,8-difluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6,8-difluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(2,4-difluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3- carboxylic acid
- ● 9-Fluoro-10-(isoindolin-5-yl)-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- ● (S)-9-Fluoro-10-(isoindolin-5-yl)-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- ● 9-Fluoro-3-methyl-10-(2-methylisoindolin-5-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- ● (S)-9-Fluoro-3-methyl-10-(2-methylisoindolin-5-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- ● 1-Cyclopropyl-5,6,8-trifluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-5,6,8-trifluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 5-Amino-1-cyclopropyl-6,8-difluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- ● 5-Amino-1-cyclopropyl-6,8-difluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(7-fluoroisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(7-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(4,6,7-trifluoroisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(1-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(1,1-dimethylisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(3,3-dimethylisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-fluoromethoxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-8-fluoromethoxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-8-fluoromethoxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-8-fluoromethoxy-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-8-fluoromethoxy-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-fluoromethoxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-fluoromethoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3- carboxylic acid
- ● 1-Ethyl-6-fluoro-8-fluoromethoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-8-fluoromethoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-8-fluoromethoxy-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-8-fluoromethoxy-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-fluoromethoxy-7-(2-methylisoiodolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-1-ethyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-1-(2,4-difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-6-fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-6-fluoro-1-(4-fluorophenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-1-ethyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-1-(2,4-difluorophenyl)-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-6-fluoro-1-(4-hydroxyphenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluromethoxy-6-fluoro-1-(4-fluorophenyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Difluoromethoxy-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(2-methylisoiondolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Ethyl-6-fluoro-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-(2,4-Difluorophenyl)-6-fluoro-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-8-hydroxy-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(4-fluorophenyl)-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(2-methylisoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-1-(2-fluoroethyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-1-(2-fluoroethyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-1-(2-fluoroethyl)-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-8-methyl-1-(oxetan-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-1-(oxetan-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-8-methoxy-1-(oxetan-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-7-(isoindolin-5-yl)-1-(oxetan-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-7-(isoindolin-5-yl)-1-(oxetan-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-1-(oxetan-3-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-fluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-6-fluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6,8-Difluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 6-Fluoro-7-(isoindolin-5-yl)-1-(isoxazol-3-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-methoxy-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-methoxy-7-(1-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-methoxy-7-[spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(1-iminoisoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(4,7-difluoroisoindolin-5-yl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 5-Amino-1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(4-fluoroisoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(1-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-[spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(1-iminoisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(4,7-difluoroisoindolin-5-yl)-8-difluoromethoxy-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 5-Amino-1-cyclopropyl-8-difluoromethoxy-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(4-fluoroisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(4-fluoroisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(4,7-difluoroisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-fluoromethyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-8-fluoromethyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-8-fluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-8-difluoromethyl-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-trifluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-8-trifluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-7-(1,3-dimethylisoindolin-5-yl)-6-fluoro-8-trifluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-5,8-dimethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-5,8-dimethyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-Cyclopropyl-6-fluoro-5,8-dimethyl-7-(1,3-dimethylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 8-Chloro-1-cyclopropyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-cyclopropyl-8-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- ● 1-cyclopropyl-7-(isoindoline-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- When the compound of the general formula [1] or its salt has isomers (for example, optical isomers, geometrical isomers, tautomers and the like), this invention includes these isomers, and also the compound or its salt may be in the form of a solvate or hydrate and in the various crystal forms.
- Processes for producing the compound of this invention are explained below.
- The compound of this invention can be synthesized according to, for example, the following production processes.
-
- The salts of the compounds of the general formulas [2], [3], [4] and [5] include the same salts as mentioned as to the compound of the general formula [1].
- The compound of the general formula [1] or its salt can be obtained by subjecting to coupling reaction with a compound of the general formula [2] or its salt and an organotin compound of the general formula [3] or its salt or an organotin compound of the general formula [4] or its salt and a compound of the general formula [5] or its salt in the presence or absence of a silver oxide using a palladium complex catalyst. A solvent used in this reaction may be any solvent as far as it does not adversely affect the reaction. As the solvent, there are mentioned, for example, aromatic hydrocarbons such as benzene, toluene, xylene and the like; ethers such as dioxane, tetrahydrofuran, anisole, diethylene glycol diethyl ether, dimethyl Cellosolve and the like; nitriles such as acetonitrile and the like; amides such as N,N-dimethylformamide, N,N-dimethylacetamide and the like; sulfoxides such as dimethylsulfoxide and the like, and these solvents may be used alone or in admixture of two or more.
- The palladium complex catalyst used in this reaction includes, for example, PdCl2(PPh3)2, Pd(PPh3)4, PdCl2[P(O-tolyl)3]2, PdCl2+2P(OEt)3 and PdCl2(PhCN)2 in which Ph represents a phenyl group.
- The amount of the organotin compound of the general formula [3] or its salt used is at least one mole, preferably 1.0 to 2.0 moles, per mole of the compound of the general formula [2] or its salt, and the amount of the compound of the general formula [5] or its salt used is at least one mole, preferably 1.0 to 5.0 moles, per mole of the organotin compound of the general formula [4] or its salt.
- This coupling reaction may usually be effected at a temperature of 50 to 170°C for a period of one minute to 24 hours under an atmosphere of an inert gas (for example, argon, nitrogen).
- The thus obtained compound of the general formula [1] or its salt can be converted into another compound of the general formula [1] or its salt by subjecting the former to a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- If the compounds of the general formulas [2], [3], [4] and [5] or their salts to be used in the above-mentioned production processes have isomers (for example, optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor. Also, the above compounds or their salts may be used in the form of a solvate or hydrate or in various crystal forms.
- When the compounds of the general formulas [1], [2], [3], [4] and [5] or their salts have an amino, hydroxyl or carboxyl group, it is possible to previously protect the group with a conventional protecting group and remove the protecting group, after the reaction, in a manner known per se.
- Next, processes for producing the compounds of the general formulas [2], [3], [4] and [5] or their salts which are the starting materials for producing the compound of this invention are explained below. The organotin compounds of the general formulas [3] and [4] or their salts are novel compounds.
- First of all, the compound of the general formula [2] or its salt and the organotin compound of the general formula [4] or its salt can be synthesized according to, for example, the following production processes.
- The salts of the compounds of the general formulas [6], [7], [8], [9], [10], [11] and [12] include the same salts as explained as to the compound of the general formula [1].
- Each step is explained below.
- (1) The compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt can usually be obtained by subjecting a compound of the general formula [6] or its salt or a compound of the general formula [10] or its salt, respectively, to ketoesterification known in the art.
- (a) For example, according to the method described in Angewant Chemie, International Edition in English, vol 18, page 72 (1979), the carboxyl group of the compound of the general formula [6] or its salt or the carboxyl group of the compound of the general formula [10] or its salt is reacted with, for example, N,N'-carbonyl diimidazole to convert the compound to an active acid amide, and thereafter, the active acid amide is reacted with a magnesium salt of a malonic acid monoester to obtain the compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt, respectively. The solvent used in the reaction of the active acid amide with the magnesium salt of malonic acid monoester may be any solvent as far as it does not adversely affect the reaction and includes, for example, aromatic hydrocarbons such as benzene, toluene, xylene and the like; ethers such as dioxane, tetrahydrofuran, diethyl ether and the like; halogenated hydrocarbons such as methylene chloride, chloroform, dichloroethane and the like; and amides such as N,N-dimethylformamide, N,N-dimethylacetamide and the like. These solvents may be used alone or in admixture of two or more. The amount of each of the N,N'-carbonyl diimidazole and the magnesium salt of malonic acid monoester used is at least one mole respectively, preferably one to two moles, per mole of the compound of the general formula [6] or [10] or its salt. These reactions may be usually carried out at a temperature of 0-100°C, preferably 10-80°C, for a period of 5 minutes to 30 hours.
- (b) As another method, the carboxyl group of the compound of the general formula [6] or its salt or the carboxyl group of the compound of the general formula [10] or its salt is reacted with a halogenating agent such as thionyl chloride to be converted to an acid halide, and thereafter, the acid halide is reacted with a metal salt of malonic diester such as sodium or ethoxymagnesium salt of malonic diester or the like, after which the reaction mixture is subjected to partial removal of the carboxyl-protecting group using p-toluenesulfonic acid or trifluoroacetic acid in a hydrous solvent and decarboxylation, whereby a compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt can be obtained, respectively. The solvent used in the reaction of the acid halide with the metal salt of malonic diester may be any solvent as far as it does not adversely affect the reaction, and includes specifically the same solvents as mentioned in (1) (a) above. The amount of the metal salt of malonic acid diester used is at least one mole, preferably one to three moles, per mole of the compound of the general formula [6] or [10] or its salt. This reaction may be usually carried out at a temperature of -50 - 100°C, for a period of 5 minutes to 30 hours.
- (2)
- (a) The compound of the general formula [9] or its salt or the compound of the general formula [12] or its salt can be obtained, respectively, by reacting a compound of the general formula [7] or its salt or a compound of the general formula [11] or its salt with an orthoester such as methyl orthoformate, ethyl orthoformate or the like in acetic anhydride and then with a compound of the general formula [8] or its salt. The solvent used in these reactions may be any solvent as far as it does not adversely affect the reaction and includes, for example, aromatic hydrocarbons such as benzene, toluene, xylene and the like; ethers such as dioxane, tetrahydrofuran, anisole, diethylene glycol diethyl ether, dimethyl Cellosolve and the like; alcohols such as methanol, ethanol, propanol and the like; halogenated hydrocarbons such as methylene chloride, chloroform, dichloroethane and the like; amides such as N,N-dimethylformamide, N,N-dimethylacetamide and the like; sulfoxides such as dimethyl sulfoxide and the like; etc. These solvents may be used alone or in ad-mixture of two or more. The amount of the orthoester used is at least one mole respectively, preferably one to ten moles, per mole of the compound of the general formula [7] or [11] or its salt. These reactions may be usually carried out at a temperature of 0-150°C, preferably 50-150°C, for a period of 20 minutes to 50 hours.
In the subsequent reaction with the compound of the general formula [8] or its salt, the compound of the general formula [8] or its salt may be used in an amount of at least one mole per mole of the compound of the general formula [7] or [11] or its salt, and these reactions may be usually carried out at a temperature of 0-100°C, preferably 10-60°C, for a period of 20 minutes to 30 hours. - (b) As another method, the compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt is reacted with an acetal such as N,N-dimethylformamide dimethyl acetal, N,N-dimethylformamide diethyl acetal or the like in the presence or absence of an acid anhydride such as acetic anhydride or the like and then with a compound of the general formula [8] or its salt to be converted to a compound of the general formula [9] or its salt or a compound of the general formula [12] or its salt, respectively. The solvent used in the above reactions may be any solvent as far as it does not adversely affect the reaction, and includes specifically the same solvents as mentioned in (2) (a) above. The amount of the acetal used is at least one mole, preferably about one to five moles, per mole of the compound of the general formula [7] or [11] or its salt. The reaction with the acetal may be usually carried out at a temperature of 0-100°C, preferably 20-85°C, for a period of 20 minutes to 50 hours.
In the subsequent reaction with the compound of the general formula [8] or its salt, the amount of the compound of the general formula [8] or its salt used is at least one mole per mole of the compound of the general formula [7] or [11] or its salt, and these reactions may be usually carried out at a temperature of 0-100°C, preferably 10-60°C, for a period of 20 minutes to 30 hours. - (a) The compound of the general formula [9] or its salt or the compound of the general formula [12] or its salt can be obtained, respectively, by reacting a compound of the general formula [7] or its salt or a compound of the general formula [11] or its salt with an orthoester such as methyl orthoformate, ethyl orthoformate or the like in acetic anhydride and then with a compound of the general formula [8] or its salt. The solvent used in these reactions may be any solvent as far as it does not adversely affect the reaction and includes, for example, aromatic hydrocarbons such as benzene, toluene, xylene and the like; ethers such as dioxane, tetrahydrofuran, anisole, diethylene glycol diethyl ether, dimethyl Cellosolve and the like; alcohols such as methanol, ethanol, propanol and the like; halogenated hydrocarbons such as methylene chloride, chloroform, dichloroethane and the like; amides such as N,N-dimethylformamide, N,N-dimethylacetamide and the like; sulfoxides such as dimethyl sulfoxide and the like; etc. These solvents may be used alone or in ad-mixture of two or more. The amount of the orthoester used is at least one mole respectively, preferably one to ten moles, per mole of the compound of the general formula [7] or [11] or its salt. These reactions may be usually carried out at a temperature of 0-150°C, preferably 50-150°C, for a period of 20 minutes to 50 hours.
- (3) The compound of the general formula [2] or its salt or the compound of the general formula [4] or its salt can be obtained by subjecting the compound of the general formula [9] or its salt or the compound of the general formula [12] or its salt, respectively, to ring-closure reaction in the presence or absence of a fluoride salt or a base. The solvent used in these reactions may be any solvent as far as it does not adversely affect the reaction, and includes, for example, amides such as N,N- dimethylformamide, N,N-dimethylacetamide and the like; ethers such as dioxane, anisole, diethylene glycol dimethyl ether, dimethyl Cellosolve and the like; sulfoxides such as dimethyl sulfoxide and the like; etc. These solvents may be used alone or in admixture of two or more. The fluoride salt which is used as desired includes, for example, sodium fluoride, potassium fluoride and the like, and the base which is used as desired includes, for example, sodium hydrogen-carbonate, potassium carbonate, potassium tert-butoxide, sodium hydride and the like. The amount of the fluoride salt or base used is at least one mole respectively, preferably 1.0-3.0 moles, per mole of the compound of the general formula [9] or [12] or its salt. These reactions may be usually carried out at a temperature of 0-180°C for a period of 5 minutes to 30 hours.
- Incidentally, the compound of the general formula [2] or [4] in which
- The aryltin compound of the general formula [10] or its salt, the aryltin compound of the general formula [11] or its salt or the aryltin compound of the general formula [4] or its salt can be obtained by reacting the halogenated aryl compound of the general formula [6] or its salt, the halogenated aryl compound of the general formula [7] or its salt or the halogenated aryl compound of the general formula [2] or its salt, respectively, with a hexaalkyldistannane using a palladium complex catalyst according to the method stated in, for example, Bulletin of the Chemical Society of Japan, vol 56, pages 3855-3856 (1983). The solvent and palladium complex catalyst used may be those which do not adversely affect the reaction and are not particularly limited. Specific examples thereof are the same as mentioned in the Production Process 1 above. The amount of the hexaalkyldistannane used is at least one mole, preferably 1.0-3.0 moles, per mole of the halogenated aryl compound of the general formula [6], [7] or [2] or its salt. This reaction may be usually carried out at a temperature of 40-160°C for a period of 1-72 hours.
- In the production route, when the compound of the general formula [2], [4], [6], [7], [8], [9], [10], [11] or [12] or its salt has an amino, hydroxyl or carboxyl group, it is possible to previously protect this group with a conventional protecting group and remove the protecting group, after completion of the reaction, in a manner known per se.
- When the compound of the general formula [2], [4], [6], [7], [8], [9], [10], [11] or [12] or its salt used in the above-mentioned production processes has isomers (for example, optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor. Also, the above compound or its salt may be used in the form of a solvate or hydrate or in the desired crystal form. After completion of the reaction, the reaction mixture may be used as it is without isolating the objective compound in the subsequent reaction.
- The compound of the general formula [6] or its salt and the compound of the general formula [2] or its salt which are one of the starting materials for producing the compound of this invention can be synthesized from a known compound by converting it to a compound having the desired X1 by the method stated in, for example, Japanese Patent Application Kokai No. 1-100,166, namely utilizing the Sandmeyer reaction.
-
- The compound of the general formula [3] or its salt can be obtained by reacting a compound of the general formula [5] or its salt with a hexaalkyldistannane using a palladium complex catalyst according to the above-mentioned method.
- In the above-mentioned production processes, when the compound of the general formula [3] or [5] or its salt has isomers (for example, optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor and also the above compound or its salt may be used in the form of a solvate or hydrate or in the various crystal forms.
- When the compound of the general formula [3] or [5] or its salt has an amino or hydroxyl group, it is possible to previously protect this group with a conventional protecting group and remove the protecting group, after completion of the reaction, in a manner known per se.
- The isoindoline halide compound represented by the general formula [5] or its salt which is one of the starting materials for producing the compound of this invention can be synthesized by the following synthesis methods according to, for example, the method of Organic Synthesis, vol. 5, pages 1064-1066, the method stated in Japanese Patent Application Kokai No. 63-179,872, Japanese Patent Application Kokai No. 2-62,875 or Japanese Patent Application Kokai No. 3-52,888 or Arzniem.-Forsh./Drug Res. 30(II), 1487-1493 (1980) or the like method.
- The salts of the compounds of the general formulas [13], [14], [15] and [5a] include the same salts as mentioned as to the compound of the general formula [1]. The removing group for Y includes halogen atoms such as a chlorine atom, a bromine atom and the like.
- The compound of the general formula [5] or its salt can be obtained by reacting a compound of the general formula [13] or its salt with R5NH2 or by subjecting a compound of the general formula [14] or its salt to dehydration reaction. On the other hand, the compound of the general formula [5a] or its salt, which has an imino group, can be obtained by subjecting a compound of the general formula [15] or its salt to ring-closure reaction. Furthermore, a compound of the general formula [13], [14] or [15] or its salt and an organotin compound derived from the compound of the general formula [13], [14] or [15] or its salt is subjected to coupling reaction with a compound of the general formula [4] or [2] or its salt according to the same method as mentioned in the Production Process 1 above, and the compound obtained is subjected to isoindoline ring formation reaction according to the same method as mentioned above to obtain the compound of the general formula [1] or its salt.
- In the production processes mentioned above, when the compound of the general formula [13], [14], [15] or [5a] or its salt has isomers (optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor, and the compound or its salt may be used in the form of a solvate or hydrate or in the various crystal forms.
- When the compound of the general formula [13], [14], [15] or [5a] or its salt has an amino or hydroxyl group, it is possible to previously protect this group with a conventional protecting group and remove the protecting group, after the reaction, in a manner known per se.
- The compound of the general formula [1] or its salt can also be produced by another production process as shown below.
-
- The salts of the compound of the general formula [16] or [17] includes the same salts as mentioned as to the compound of the general formula [1].
- The compound of the general formula [1] or its salt can be obtained from the compound of the general formula [16] or its salt according to the above-mentioned method (the synthesis of the general formula [2] or [4] or its salt from the compound of the general formula [7] or [11] or its salt). That is to say, the compound of the general formula [1] or its salt can be obtained by reacting the compound of the general formula [16] or its salt with an orthoester or an acetal in the presence or absence of an acid anhydride such as acetic anhydride, then with the compound of the general formula [8] or its salt to produce a compound of the general formula [17] or its salt and subsequently subjecting the compound of the general formula [17] or its salt to ring-closure reaction in the presence or absence of a fluoride salt or a base.
- The compound of the general formula [1] or its salt thus obtained can be converted to another compound of the general formula [1] or its salt by subjecting the former to a reaction known per se such as oxidation, reduction, rearrangement, substitution, halogenation, dehydration, hydrolysis or the like or to an appropriate combination of these reactions.
- In the production processes mentioned above, when the compound of the general formula [8], [16] or [17] or its salt has isomers (optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor, and the compound or its salt may be used in the form of a solvate or hydrate or in the desired crystal form.
- When the compound of the general formula [8], [16], [17] or [1] or its salt has an amino, hydroxyl or carboxyl group, it is possible to previously protect the group with a conventional protecting group and remove the protecting group, after completion of the reaction, in a manner known per se. After completion of the reaction, the reaction mixture may be used as it is in the subsequent reaction without isolating the objective compound.
- Next, the compound of the general formula [16] or its salt which is one of the starting materials for producing the compound of this invention is explained. The compound of the general formula [16] or its salt is novel and can be synthesized according to, for example, the following production processes.
- The salt of the compound of the general formula [18] include the same salts as mentioned as to the compound of the general formula [1].
- The compound of the general formula [16] or its salt can be produced from the compound of the general formula [7] or [11] or its salt according to the same method as mentioned in the Production Process 1 above or can also be produced by subjecting the compound of the general formula [18] or its salt to ketoesterification reaction according to the above-mentioned method.
- The compound of the general formula [7] or its salt or the compound of the general formula [11] or its salt can be obtained by subjecting the compound of the general formula [6] or its salt or the compound of the general formula [10] or its salt, respectively, to ketoesterification reaction according to the above-mentioned method. On the other hand, the compound of the general formula [18] or its salt can be produced from the compound of the general formula [6] or [10] or its salt according to the same method as mentioned in the Production Process 1 above.
- When the compound of the general formula [6], [7], [10], [11], [16] or [18] or its salt has an amino, hydroxyl or carboxyl group, it is possible to previously protect the group with a conventional protecting group and remove the protecting group, after the reaction, in a manner known per se.
- In the above-mentioned production processes, when the compound of the general formula [6], [7], [10], [11], [16] or [18] or its salt has isomers (optical isomers, geometrical isomers, tautomers or the like), these isomers may be substituted therefor, and the compound or its salt may be used in the form of a solvate or hydrate or in the desired crystal form. After completion of the reaction, the reaction mixture may be used as it is in the subsequent reaction without isolating the objective compound.
- The compound of the general formula [1] or its salt thus obtained can be isolated and purified according to a conventional method such as extraction, crystallization, column chromatography or the like.
- When the compound of this invention is used as a drug or medicine, the compound may be mixed with a preparation adjuvant such as an excipient, a carrier or a diluent which is used in conventional pharmaceutical preparations and can be orally or parenterally administered in the form of a tablet, capsule, powder, syrup, granule, pill, dispersion, emulsion, solution, suppository, ointment, injection or the like. The administration route, dosage and number of administrations can be appropriately varied depending upon the age, weight and symptom of a patient. Usually, it is sufficient to administer the compound to an adult by an oral or parenteral administration (for example, by injection, drip infusion, intrarectal administration or the like) in a proportion of 0.1-100 mg/kg/day in one to several portions.
- Next, the pharmacological activities of representative compounds of this invention are explained.
- According to the standard method of Japan Society of Chemotherapy [CHEMOTHERAPY, vol. 29, No. 1, pages 76-79 (1981)], a loop of a bacterial solution obtained by culturing in Mueller Hinton broth (manufactured by Difco] at 37°C for 20 hours and adjusted to a concentration of 106 cells/plate (108 cells/ml) was inoculated onto a Mueller Hinton agar medium (manufactured by Difco) containing the test compound and cultured at 37°C for 20 hours, and thereafter, the growth of the bacterial was observed to determine the minimum concentration at which the growth of the bacteria was inhibited, which concentration is indicated as MIC (µg/ml).
- The test results are shown in Table 1.
- Incidentally, the asterisks in Table 1 have the following meanings:
*: β-lactamase-producing bacteria
**: MRSA (methicillin-resistant S. aureus)
Test Compound A: 1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
Control Compound B: 1-cyclopropyl-6-fluoro-7-(1-piperazinyl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (Ciprofloxacin)Table 1 MIC (µg/ml) A B S. aureus FDA 209P ≦0.05 0.2 S. aureus F-137* ≦0.05 0.39 S. aureus F-597** ≦0.05 6.25 E. coli NIHJ JC-2 ≦0.05 ≦0.05 - From the above results, it can be understood that the compound of this invention exhibits excellent antibacterial activity.
- This invention is explained in more detail below referring to Reference Examples and Examples; however, this invention should not be construed to be limited thereto.
- Incidentally, the mixing ratio in the eluent is by volume unless otherwise specified. The carrier used in the column chromatography was Silica gel 60, No. 7734 (manufactured by MERCK & CO., INC.). Also, in the Reference Examples and the Examples, the term "d1-TFA" means a trifluoroacetic acid-d1 and "d6-DMSO" means a dimethylsulfoxide-d6.
- In 30 ml of toluene was dissolved 3.04 g of ethyl 3-bromo-2,4,5-trifluorobenzoate, and to the solution were added 5.11 g of tributylvinyltin and 0.25 g of tetrakis(triphenylphosphine) palladium (0), after which the resulting mixture was heated under reflux for two hours under a nitrogen atmosphere. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 100 : 1), to obtain a colorless, oily ethyl 2,4,5-trifluoro-3-vinylbenzoate. The oily product thus obtained was dissolved in a mixed solvent of 62 ml of methanol and 12 ml of methylene chloride, and thereafter, at -50°C, an ozone gas was blown thereinto for three hours and subsequently a nitrogen gas was blown thereinto for 30 minutes. The temperature of this solution was elevated to -20°C, and thereafter, 0.81 g of sodium borohydride was added thereto, after which the resulting mixture was stirred at room temperature for 12 hours. The reaction mixture was added to a mixed solvent of 400 ml of ethyl acetate and 600 ml of ice water and the pH was adjusted to 1 with 6 N hydrochloric acid, after which the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. The residue thus obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 4 : 1), to obtain 1.70 g of a colorless, oily ethyl 3-hydroxymethyl-2,4,5-trifluorobenzoate.
- IR (neat) cm-1: υc=o 1720
- NMR (CDCl3) δ values: 1.38 (3H, t, J=6.8Hz), 2.60 (1H, t, J=5.0Hz), 4.39 (2H, q, J=6.8Hz), 4.65-4.95 (2H, m), 7.40-8.00 (1H, m)
-
- (1) In 308 ml of dimethyl sulfoxide was dissolved 61.7 g of ethyl 2,4,5-trifluoro-3-methylbenzoate, and 42.3 g of sodium azide was added to the solution, after which the resulting mixture was stirred at 55°C for 14 hours. The reaction mixture was cooled to room temperature and thereafter added to a mixed solvent of 500 ml of ethyl acetate and 1200 ml of water. The organic layer formed was separated, washed with water and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure to obtain 65.3 g of pale yellow, oily ethyl 4-azido-2,5-difluoro-3-methylbenzoate.
- (2) In 60 ml of methanol was suspended 14.2 g of stannous chloride, and to this suspension was dropwise added a solution of 10.0 g of ethyl 4-azido-2,5-difluoro-3-methylbenzoate in 20 ml of methanol at room temperature over one hour, after which the resulting mixture was stirred at the same temperature for 30 minutes. The methanol was removed by distillation under reduced pressure, and to the residue obtained were added 300 ml of diethyl ether and 100 ml of water, after which the pH was adjusted to 12.5 with 2 N aqueous sodium hydroxide solution. The organic layer formed was separated, washed with water and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure to obtain 8.91 g of yellow, oily ethyl 4-amino-2,5-difluoro-3-methylbenzoate.
- (3) In 50 ml of ethanol was dissolved 8.91 g of ethyl 4-amino-2,5-difluoro-3-methylbenzoate, and 50 ml of 2 N aqueous sodium hydroxide solution was added to the solution, after which the resulting mixture was stirred at room temperature for three hours. To the reaction mixture was added 50 ml of 2 N hydrochloric acid, and the resulting crystals were collected by filtration, to obtain 5.45 g of colorless, crystalline 4-amino-2,5-difluoro-3-methylbenzoic acid.
- IR (KBr) cm-1: υc=o 1701, 1636
- NMR (d1-TFA) δ value: 2.50 (3H, s), 7.86 (1H, dd, J=5.4Hz, J=9.3Hz)
-
- (1) In 66 ml of dimethyl sulfoxide was dissolved 13.2 g of ethyl 3-difluoromethoxy-2,4,5-trifluorobenzoate, and to this solution was added 7.3 g of sodium azide, after which the resulting mixture was stirred at room temperature for five hours. The reaction mixture was added to a mixed solvent of 150 ml of ethyl acetate and 150 ml of ice water and the pH was adjusted to 2 with 6 N hydrochloric acid, after which the organic layer formed was separated, then washed successively with water and a saturated saline solution, and thereafter dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. The residue obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 10 : 1), to obtain 13.9 g of colorless, oily ethyl 4-azido-2,5-difluoro-3-difluorome-thoxybenzoate.
- (2) In 210 ml of ethanol and 70 ml of ethyl acetate was dissolved 13.8 g of ethyl 4-azido-2,5-difluoro-3-difluoromethoxybenzoate, and 1.38 g of 5% palladium-carbon was added to the solution, after which the resulting mixture was stirred at 50°C for six hours under a hydrogen stream. The reaction mixture was filtered, and the filtrate obtained was concentrated under reduced pressure, to obtain 12.3 g of colorless, crystalline ethyl 4-amino-2,5-difluoro-3-difluoromethoxybenzoate.
- (3) In 61 ml of ethanol was suspended 12.3 g of ethyl 4-amino-2,5-difluoro-3-difluoromethoxybenzoate, and 31 ml of 2 N aqueous sodium hydroxide solution was added to the suspension, after which the resulting mixture was stirred at 40°C for one hour. To the reaction mixture was added 35 ml of 2 N hydrochloric acid and the precipitate formed was collected by filtration, to obtain 10.6 g of colorless, crystalline 4-amino-2,5-difluoro-3-difluoromethoxybenzoic acid.
- IR (KBr) cm-1: υc=o 1703, 1636
- NMR (CDCl3-CD3OD) δ value: 6.62 (1H, t, J=74Hz), 7.49 (1H, dd, J=6.3Hz, J=11.7Hz)
- In the same manner, the following compounds were obtained.
- 4-Amino-2,5-difluoro-3-fluoromethoxybenzoic acid
- IR (KBr) cm-1: υc=o 1705, 1637
- NMR (d6-DMSO) δ value: 5.60 (1H, d, J=54Hz), 6.05 (2H, brs), 7.32 (1H, dd, J=6.1Hz, J=11.7Hz)
- 4-Amino-2,5-difluoro-3-hydroxymethylbenzoic acid
- IR (KBr) cm-1: υc=o 1717, 1639
- NMR (CDCl3-CD3OD) δ value: 4.72 (2H, d, J=2.0Hz), 7.48 (1H, dd, J=6.8Hz, J=11.7Hz)
- In 658 ml of 4.7% hydrobromic acid was suspended 26.3 g of 4-amino-2,5-difluoro-3-methylbenzoic acid, and 161 g of cupric bromide was added to the suspension. To this suspension was dropwise added a solution of 16.5 g of sodium nitrite in 165 ml of water over one hour with ice-cooling, and the resulting mixture was stirred for one hour at the same temperature and then at room temperature for two hours. To the reaction mixture was added 700 ml of toluene and the organic layer formed was separated, washed with 100 ml of conc. hydrochloric acid and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. To the residue obtained was added n-hexane and the resulting crystals were collected by filtration to obtain 29.5 g of colorless, crystalline 4-bromo-2,5-difluoro-3-methylbenzoic acid.
- IR (KBr) cm-1: υc=o 1699
- NMR (CDCl3) δ value: 2.41 (3H, d, J=2.9Hz), 7.57 (1H, dd, J=6.3Hz, J=7.8Hz)
- In the same manner, the following compounds were obtained.
- 4-Bromo-2,5-difluoro-3-difluoromethoxybenzoic acid
- IR (KBr) cm-1: υc=o 1718, 1698
- NMR (CDCl3-CD3OD) δ value: 6.65 (1H, t, J=74Hz), 7.66 (1H, dd, J=5.9Hz, J=8.3Hz)
- 4-Bromo-2,5-difluoro-3-fluoromethoxybenzoic acid
- IR (KBr) cm-1: υc=o 1703
- NMR (CDCl3) δ value: 5.72 (2H, d, J=53Hz), 6.33 (1H, brs), 7.63 (1H, dd, J=5.8Hz, J=8.3Hz)
- 4-Bromo-2,5-difluoro-3-hydroxymethylbenzoic acid
- IR (KBr) cm-1: υc=o 1718
- NMR (CD3OD) δ value: 4.83 (2H, d, J=2.4Hz), 7.68 (1H, dd, J=6.1Hz, J=8.5Hz)
- In 8 ml of sulfuric acid was dissolved 2.0 g of 4-bromo-2,5-difluoro-3-methoxybenzoic acid, and 4 ml of nitric acid was dropwise added to the solution with ice-cooling, after which the resulting mixture was stirred at room temperature for one hour. The reaction mixture was added to a mixed solvent of 50 ml of diethyl ether and 50 ml of ice water, and the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. To the residue thus obtained was added n-hexane, and the resulting crystals were collected by filtration to obtain 1.9 g of pale yellow, crystalline 4-bromo-2,5-difluoro-3-methoxy-6-nitrobenzoic acid.
- IR (KBr) cm-1: υc=o 1718
- NMR (CDCl3) δ value: 4.16 (3H, d, J=2.9Hz), 8.75 (1H, brs)
- In 100 ml of anhydrous tetrahydrofuran was dissolved 10.0 g of 4-bromo-2,5-difluoro-3-methylbenzoic acid, and 9.69 g of N,N'-carbonyldiimidazole was added to the solution with ice-cooling, after which the resulting mixture was stirred at room temperature for one hour. Subsequently, 8.56 g of magnesium ethoxycarbonylacetate was added to the mixture and the resulting mixture was stirred at the same temperature for 20 hours. The reaction mixture was added to a mixed solvent of 200 ml of ethyl acetate and 300 ml of water and the pH was adjusted to 1 with 6 N hydrochloric acid. Thereafter, the organic layer formed was separated, washed successively with a saturated aqueous sodium hydrogencarbonate solution, water and a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. The residue thus obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 10 : 1), to obtain 8.95 g of colorless, crystalline ethyl 4-bromo-2,5-di-fluoro-3-methylbenzoylacetate.
- IR (KBr) cm-1: υc=o1644
- NMR (CDCl3) δ value: 1.00-1.70 (3H, m), 2.41 (3H, d, J=2.9Hz), 3.70-4.70 (3.2H, m), 5.84 (0.4H, s), 7.30-7.75 (1H, m), 12.5 (0.4H, brs)
- In the same manner, the following compounds were obtained.
- Ethyl 4-bromo-2,5-difluoro-3-difluoromethoxybenzoylacetate
- IR (KBr) cm-1: υc=o 1670
- NMR (CDCl3) δ value: 0.70-1.40 (3H, m), 3.60-4.50 (3.2H, m), 5.85 (0.4H, s), 6.62 (1H, t, J=73Hz), 7.30-7.70 (1H, m), 12.7 (0.4H, s)
- Ethyl 4-bromo-2,5-difluoro-3-fluoromethoxybenzoylacetate
- IR (KBr) cm-1: υc=o 1654
- NMR (CDCl3) δ value: 1.00-1.50 (3H, m), 3.60-4.50 (3.2H, m), 5.69 (2H, d, J=53Hz), 5.83 (0.4H, s), 7.20-7.70 (1H, m), 12.6 (0.4H, s)
- In 18 ml of methylene chloride was suspended 1.80 g of 4-bromo-2,5-difluoro-3-hydroxymethylbenzoic acid and to the suspension were added 1.64 g of triethylamine and 0.84 g of acetic anhydride with ice-cooling, after which the suspension was stirred for one hour. The temperature of the suspension was then elevated to room temperature, at which the mixture was stirred for a further 12 hours. The reaction mixture was added to a mixed solvent of 20 ml of methylene chloride and 50 ml of water and the pH was adjusted to 1 with 6 N hydrochloric acid. Thereafter, the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was removed by distillation under reduced pressure. The residue obtained was purified by a column chromatography (eluent: chloroform : ethanol = 9 : 1), to obtain a colorless, oily 3-acetoxymethyl-4-bromo-2,5-difluorobenzoic acid. The oily product obtained was dissolved in 42 ml of anhydrous tetrahydrofuran, and 1.64 g of N,N'-carbonyldiimidazole was added to the solution with ice-cooling. The resulting mixture was stirred at room temperature for one hour. Subsequently, 1.45 g of magnesium ethoxycarbonylacetate was added thereto and the resulting mixture was stirred at the same temperature for 20 hours. The reaction mixture was added to a mixed solvent of 80 ml of ethyl acetate and 100 ml of water, and the pH was adjusted to 1 with 6 N hydrochloric acid. Thereafter, the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. Thereafter, the solvent was removed by distillation under reduced pressure. The residue thus obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 20 : 1), to obtain 1.32 g of colorless, crystalline ethyl 3-acetoxymethyl-4-bromo-2,5-difluorobenzoylacetate.
- IR (KBr) cm-1: υc=o 1742, 1654
- NMR (CDCl3) δ value: 1.00-1.50 (3H, m), 2.08 (3H, s), 3.80-4.50 (3.2H, m), 5.32 (2H, d, J=2.4Hz), 5.87 (0.4H, s), 7.40-7.90 (1H, m), 12.3 (0.4H, brs)
- To 1.0 g of 4-bromo-2,5-difluoro-3-methoxy-6-nitrobenzoic acid was added 3 ml of thionyl chloride and 0.3 ml of N,N-dimethylformamide, and the resulting mixture was heated under reflux for one hour. The reaction mixture was concentrated under reduce pressure to obtain an acid chloride. Separately, 0.4 g of 60% sodium hydride was suspended in 30 ml of tetrahydrofuran, and 1.8 g of tert-butyl ethyl malonate was dropwise added to the suspension with ice-cooling, after which the suspension was stirred at the same temperature for two hours. To the reaction mixture obtained was dropwise added a solution of the above-obtained acid chloride in 10 ml of tetrahydrofuran at -20°C, and the resulting mixture was stirred with ice-cooling for 30 minutes and then at room temperature for one hour. The reaction mixture was added to a mixed solvent of 50 ml of ethyl acetate and 50 ml of water, and the pH was adjusted to 1 with 6 N hydrochloric acid. The organic layer formed was separated, washed successively with water and a saturated saline solution, and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. To the residue thus obtained were added 10 ml of methylene chloride and 10 ml of trifluoroacetic acid, and the resulting mixture was stirred at room temperature for two hours. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: toluene), to obtain 0.9 g of colorless, crystalline ethyl 4-bromo-2,5-difluoro-3-methoxy-6-nitrobenzoylacetate.
- IR (KBr) cm-1: υc=o 1737, 1718
- NMR (CDCl3) δ value: 1.25 (3H, t, J=7.3Hz), 3.60-4.40 (7H, m)
-
- (1) In 150 ml of methylene chloride was dissolved 30.0 g of ethyl 4-bromo-2,5-difluoro-3-methylbenzoylacetate, and 19.1 g of acetic anhydride and 22.3 g of N,N-dimethylformamide dimethyl acetal were added to the solution, after which the resulting mixture was stirred at room temperature for one hour. Thereafter, the solvent was removed by distillation under reduced pressure. The residue obtained was dissolved in 90 ml of ethanol and 5.90 g of cyclopropylamine was added thereto, after which the resulting mixture was stirred at room temperature for 30 minutes. The solvent was then removed by distillation under reduced pressure. To the residue obtained was added n-hexane and the crystals formed were collected by filtration, to obtain 35.7 g of colorless, crystalline ethyl 2-(4-bromo-2,5-difluoro-3-methylbenzoyl)-3-cyclopropylaminoacrylate.
- (2) In 175 ml of dimethyl sulfoxide was dissolved 35.0 g of ethyl 2-(4-bromo-2,5-difluoro-3-methylbenzoyl)-3-cyclopropylaminoacrylate, and 27.4 g of potassium carbonate was added to the solution, after which the resulting mixture was stirred at 100°C for 30 minutes. The reaction mixture was cooled to room temperature, and 1,000 ml of water was then added thereto, after which the crystals formed were collected by filtration, to obtain 30.0 g of colorless, crystalline ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1731
- NMR (CDCl3) δ value: 0.70-1.70 (7H, m), 2.91 (3H, s), 3.70-4.10 (1H, m), 4.38 (2H, q, J=7.3Hz), 8.01 (1H, d, J=8.3Hz), 8.65 (1H, s)
- In the same manner, the following compounds were obtained.
- Ethyl 7-bromo-1-cyclopropyl-8-difluoromethoxy-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1723
- NMR (CDCl3) δ value: 0.90-1.60 (7H, m), 3.80-4.15 (1H, m), 4.39 (2H, q, J=7.3Hz), 6.59 (1H, t, J=74Hz), 8.16 (1H, d, J=8.3Hz), 8.61 (1H, s)
- Ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-fluoromethoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1684, 1644
- NMR (CDCl3) δ value: 0.90-1.60 (7H, m), 3.80-4.60 (3H, m), 5.69 (2H, d, J=54Hz), 8.11 (1H, d, J=8.3Hz), 8.61 (1H, s)
- Ethyl 8-acetoxymethyl-7-bromo-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1745, 1728, 1692
- NMR (CDCl3) δ value: 0.70-1.55 (7H, m), 2.07 (3H, s), 3.70-4.60 (3H, m), 5.88 (2H, s), 8.18 (1H, d, J=7.8Hz), 8.64 (1H, s)
- In 58 ml of ethanol was suspended 1.46 g of ethyl 8-acetoxymethyl-7-bromo-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate, and 19 mg of sodium methoxide was added to the suspension, after which the resulting mixture was stirred at room temperature for seven hours. To the reaction mixture was added 60 ml of water and the pH was adjusted to 7 with 1 N hydrochloric acid, after which the crystals formed were collected by filtration, to obtain 1.28 g of colorless, crystalline ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-hydroxymethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1718
- NMR (d1-TFA) δ value: 1.05-1.90 (7H, m), 4.45-5.30 (3H, m), 5.99 (2H, s), 8.38 (1H, d, J=6.8Hz), 9.52 (1H, s)
- In 127 ml of methylene chloride was suspended 1.27 g of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-hydroxymethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate, and 1.33 g of diethylaminosulfur trifluoride was dropwise added to the suspension at -40°C, after which the resulting mixture was stirred at -20°C for one hour and then at 0°C for three hours. The reaction mixture was added to 120 ml of ice water and the pH was adjusted to 8 with a saturated aqueous sodium hydrogencarbonate solution. Thereafter, the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. The residue thus obtained was purified by a column chromatography (eluent: chloroform : ethanol = 100 : 1), to obtain 1.05 g of colorless, crystalline ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-fluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1723, 1694
- NMR (CDCl3) δ value: 0.60-1.75 (7H, m), 3.65-4.65 (3H, m), 6.11 (2H, d, J=47Hz), 8.21 (1H, dd, J=2.2Hz, J=8.1Hz), 8.64 (1H, s)
- In 50 ml of toluene was suspended 5.00 g of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylate, and 15.8 g of bis(tributyltin) and 95 mg of bis(triphenylphosphine)palladium (II) chloride were added to the suspension, after which the resulting mixture was heated under reflux for 24 hours. The reaction mixture was concentrated under reduced pressure, and the residue thus obtained was purified by a column chromatography (eluent: toluene : ethyl acetate = 10 : 1), to obtain 5.10 g of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-tributylstannyl-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1724
- NMR (CDCl3) δ value: 0.30-2.30 (34H, m), 2.79 (3H, s), 3.60-4.10 (1H, m), 4.38 (2H, q, J=6.8Hz), 7.83 (1H, d, J=6.3Hz), 8.63 (1H, s)
- In the same manner, the following compounds were obtained.
- Ethyl 1-cyclopropyl-6-fluoro-7-tributylstannyl-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1725
- NMR (CDCl3) δ value: 0.50-1.80 (34H, m), 3.10-3.70 (1H, m), 4.40 (2H, q, J=6.8Hz), 7.96 (1H, d, J=2.0Hz), 8.03 (1H, d, J=6.3Hz), 8.56 (1H, s)
- Ethyl (S)-9-fluoro-3-methyl-7-oxo-10-tributylstannyl-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylate
- IR (KBr) cm-1: υc=o 1718
- NMR (CDCl3) δ value: 0.30-2.30 (33H, m), 4.00-4.60 (5H, m), 7.60 (1H, d, J=6.8Hz), 8.30 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-7-tributylstannyl-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate
- IR (KBr) cm-1: υc=o 1729
- NMR (CDCl3) δ value: 0.60-1.90 (34H, m), 3.40-3.95 (1H, m), 4.40 (2H, q, J=6.8Hz), 8.16 (1H, d, J=5.9Hz), 8.66 (1H, s)
- Ethyl 8-chloro-1-cyclopropyl-6-fluoro-7-tributylstannyl-1,4-dihydro-4-oxoquinoline-3-carboxylate
- NMR (CDCl3) δ value: 0.60-1.90 (34H, m), 3.90-4.60 (3H, m), 7.93 (1H, d, J=6.3Hz), 8.63 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-tributylstannyl-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1731
- NMR (CDCl3) δ value: 0.40-2.0 (34H, m), 3.50-4.05 (4H, m), 4.27 (2H, q, J=7.0Hz), 7.84 (1H, d, J=6.4Hz), 8.57 (1H, s)
-
- (1) In 380 ml of diethyl ether was dissolved 19.0 g of 1-bromo-3,4-di(hydroxymethyl)benzene, and 112 g of phosphorus tribromide was added to this solution with ice-cooling, after the resulting mixture was allowed to stand for three days. The reaction mixture was added to 1000 ml of ice water and the pH was adjusted to 7 with sodium hydrogencarbonate, after which the mixture was extracted with 1000 ml of ethyl acetate. The organic layer obtained was washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure, to obtain 28.5 g of colorless, crystalline 1-bromo-3,4-di(bromomethyl)benzene.
- (2) In 70 ml of N,N-dimethylformamide was suspended 3.97 g of sodium hydride (purity: 60%), and 50 ml of an N,N-dimethylformamide solution containing 8.49 g of p-toluenesulfonamide was added thereto, after which the resulting mixture was stirred at 60°C for 30 minutes. To the reaction mixture was added a solution of 17.0 g of 1-bromo-3,4-di(bromomethyl)benzene in 50 ml of N,N-dimethylformamide at 60°C, and the resulting mixture was stirred at 60°C for one hour. The reaction mixture obtained was added to 500 ml of ice water and the precipitate was collected by filtration, and purified by a column chromatography (eluent: chloroform), to obtain 15.2 g of colorless, crystalline 5-bromo-2-(p-toluenesulfonyl)isoindoline.
- IR (KBr) cm-1: 1347, 1164
- NMR (CDCl3) δ value: 2.39 (3H, s), 4.56 (4H, brs), 6.75-7.90 (7H, m)
- In the same manner, the following compounds were obtained.
- 5-Bromo-1-methyl-2-(p-toluenesulfonyl)isoindoline
- IR (neat) cm-1: 1347, 1164
- NMR (CDCl3) δ value: 1.60, 1.66 (3H, each, d, J=6.0Hz), 2.34, 2.39 (3H, each, s), 4.50-5.15 (3H, m), 6.70-7.95 (7H, m)
- 5-Bromo-3-methyl-2-(p-toluenesulfonyl)isoindoline
- IR (neat) cm-1: 1346, 1165
- NMR (CDCl3) δ value: 1.62 (3H, d, J=6.3Hz), 2.38 (3H, s), 4.35-5.15 (3H, m), 6.65-7.90 (7H, m)
- 5-Bromo-4,7-difluoro-2-(p-toluenesulfonyl)isoindole
- IR (KBr) cm-1: 1348, 1163
- NMR (CDCl3) δ value: 2.42 (3H, s), 4.66 (4H, s), 6.88 (1H, t, J=6.0Hz), 7.33 (2H, d, J=8.0Hz), 7.78 (2H, d, J=8.0Hz)
-
- (1) To a mixture of 850 mg of 1-(1-aminocyclopropyl)-4-bromo-2-hydroxymethylbenzene and 8.5 ml of methanol was added 1.24 g of ethyl trifluoroacetate, and the resulting mixture was stirred at room temperature for 24 hours. The solvent was removed by distillation under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: chloroform : ethanol = 30 : 1), to obtain 1.02 g of colorless, crystalline 4-bromo-2-hydroxymethyl-1-(1-trifluoroacetylaminocyclopropyl)benzene.
- IR (KBr) cm-1: υc=o 1717, 1702
- NMR (CDCl3) δ value: 1.05-1.60 (4H, m), 2.50 (1H, brs), 4.95 (2H, s), 7.15-7.70 (3H, m), 8.06 (1H, brs)
- (2) In 20 ml of benzene was suspended 950 mg of 4-bromo-2-hydroxymethyl-1-(1-triflfuoroacetylaminocyclopropyl)benzene obtained (1), and 680 mg of tri-n-butylphosphine and 850 mg of 1,1'-azodicarbonyldi(piperidine) were added in this order to the suspension with ice-cooling, after which the temperature of the resulting mixture was elevated to room temperature, at which the mixture was stirred for three hours. Insolubles were removed by filtration, and the solvent was then removed by distillation under reduced pressure. The residue obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 15 : 1), to obtain 720 mg of colorless, crystalline 5-bromo-2-trifluoroacetyl-spiro[isoindoline-1,1'-cyclopropane].
- IR (KBr) cm-1: υc=o 1697
- NMR (CDCl3) δ value: 0.75-1.20 (2H, m), 2.30-2.75 (2H, m), 5.08 (2H, s), 6.56 (1H, d, J=9.0Hz), 7.15-7.65 (2H, m)
- In 25 ml of 47% hydrobromic acid was suspended 5.0 g of 2-(p-toluenesulfonyl)-5-bromoisoindoline, and 4.0 g of phenol and 15 ml of propionic acid were added to the suspension, after which the resulting mixture was heated under reflux for four hours. The reaction mixture was concentrated under reduced pressure, and ethanol was added to the residue obtained, after which the resulting crystals were collected by filtration, to obtain 3.5 g of 5-bromoisoindoline hydrobromide. The hydrobromide obtained was suspended in 50 ml of methylene chloride, and 2.8 g of triethylamine was added to the suspension, after which 2.4 g of carbobenzoxy chloride was dropwise added thereto with ice-cooling. Thereafter, the resulting mixture was stirred at room temperature for one hour. The reaction mixture was added 50 ml of water and the pH was adjusted to 1 with 6 N hydrochloric acid. Thereafter, the organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium chloride. The solvent was then removed by distillation under reduced pressure. To the residue thus obtained was added n-hexane, and the resulting crystals were collected by filtration to obtain 3.8 g of colorless, crystalline 2-benzyloxycarbonyl-5-bromoisoindoline.
- IR (KBr) cm-1: υc=o 1705
- NMR (CDCl3) δ value: 4.69 (4H, s), 5.20 (2H, s), 6.70-7.40 (8H, m)
- In 24 ml of toluene was suspended 1.20 g of 2-(p-toluenesulfonyl)-5-bromoisoindoline, and 3.95 g of hexabutyldistannane and 39.4 mg of tetrakis(triphenylphosphine)palladium (0) were added to the suspension, after which the resulting mixture was heated under reflux for 24 hours under a nitrogen atmosphere. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: hexane : ethyl acetate = 10 : 1), to obtain 0.92 g of oily 2-(p-toluenesulfonyl)-5-tributylstannylisoindoline.
- IR (neat) cm-1: 1349, 1166
- NMR (CDCl3) δ value: 0.20-2.00 (27H, m), 2.40 (3H, s), 4.61 (4H, brs), 6.50-8.00 (7H, m)
- In the same manner, the following compounds were obtained.
- 1-Methyl-2-(p-toluenesulfonyl)-5-tributylstannylisoindoline
- IR (neat) cm-1: 1349, 1165
- NMR (CDCl3) δ value: 0.70-1.80 (30H, m), 2.38 (3H, s), 4.55-5.15 (3H, m), 6.90-7.90 (7H, m)
- 3-Methyl-2-(p-toluenesulfonyl)-5-tributylstannylisoindoline
- IR (neat) cm-1: 1349, 1165
- NMR (CDCl3) δ value: 0.60-1.90 (30H, m), 2.37 (3H, s), 4.30-5.20 (3H, m), 6.80-7.90 (7H, m)
- 5-Tributylstannyl-2-trifluoroacetyl-spiro-[isoindoline-1,1'-cyclopropane]
- IR (neat) cm-1: υc=o 1694
- NMR (CDCl3) δ value: 0.70-2.10 (29H, m), 2.35-2.75 (2H, m), 5.16 (2H, s), 6.60-7.70 (3H, m)
- 2-Benzyloxycarbonyl-5-tributylstannylisoindoline
- IR (neat) cm-1: υc=o 1718, 1709
- NMR (CDCl3) δ value: 0.30-1.70 (27H, m), 4.73 (4H, s), 5.15 (2H, s), 6.80-7.40 (8H, m)
- In 27 ml of toluene was dissolved 3.55 g of 2-(p-toluenensulfonyl)-5-tributylstannylisoindoline, and 1.35 g of ethyl 4-bromo-2,5-difluoro-3-methylbenzoylacetate and 0.29 g of bis(triphenylphosphine)palladium (II) chloride were added to the solution, after which the resulting mixture was heated under reflux for eight hours under a nitrogen atmosphere. The reaction mixture was concentrated under reduced pressure, the residue obtained was purified by a column chromatography (eluent: benzene : ethyl acetate = 70 : 1), to obtain 1.25 g of colorless, crystalline ethyl 2,5-difluoro-3-methyl-4-[2-(p-toluenesulfonyl)isoindolin-5-yl]benzoyl acetate.
- IR (KBr) cm-1: υc=o 1746
- NMR (CDCl3) δ value: 1.10-1.70 (3H, m), 2.07 (3H, d, J=2.9Hz), 2.41 (3H, s, m), 3.80-4.50 (3.4H, m), 4.67 (4H, s), 5.88 (0.3H, s), 6.80-8.00 (8H, m), 12.6 (0.3H, brs)
- In the same manner, the following compounds were obtained.
- Ethyl 2,5-difluoro-4-[2-(p-toluenesulfonyl)-isoindolin-5-yl]benzoylacetate
- IR (KBr) cm-1: υc=o 1747
- NMR (CDCl3) δ value: 1.10-1.70 (3H, m), 2.40 (3H, s), 3.90-4.50 (3.2H, m), 4.66 (4H, s), 5.89 (0.4H, s), 7.00- 8.00 (9H, m), 12.7 (0.4H, brs)
- Ethyl 4-[2-(benzyloxycarbonyl)isoindolin-5-yl]-2,5-difluoro-3-methoxy-6-nitrobenzoylacetate
- IR (KBr) cm-1: υc=o 1751, 1707
- NMR (CDCl3) δ value: 1.00-1.60 (3H, m), 3.60-4.50 (6.2H, m), 4.81 (4H, s), 5.22 (2H, s), 5.50 (0.4H, s), 7.10-7.40 (8H, m), 12.2 (0.4H, brs)
- In 21 ml of xylene were suspended 700 mg of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate, 889 mg of 1-cyano-2-methyl-4-tributylstannylbenzene and 130 mg of bis(triphenylphosphine)palladium (II) chloride, and the resulting suspension was heated under reflux for two hours. The reaction mixture was cooled to room temperature, and the crystals precipitated were then collected by filtration. The crude crystals obtained were purified by a column chromatography (eluent: chloroform), to obtain 490 mg of colorless, crystalline ethyl 7-(4-cyano-3-methyl)phenyl-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1726
- NMR (CDCl3) δ value: 0.90-1.70 (7H, m), 2.64 (3H, s), 3.37 (3H, s), 3.65-4.15 (1H, m), 4.40 (2H, q, J=7.0Hz), 7.20-7.90 (3H, m), 8.03 (1H, d, J=9.5Hz), 8.64 (1H, s)
- In 25 ml of N,N-dimethylformamide was dissolved 2.30 g of 2-(p-toluenesulfonyl)-5-bromoisoindoline, and 1.51 g of silver (I) oxide and 0.75 g of tetrakis(triphenylphosphine)palladium (0) were added to the solution, after which the resulting mixture was stirred at 100°C for five minutes under a nitrogen atmosphere. Subsequently, to this reaction mixture was added 1.54 g of ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-tributylstannyl-1,4-dihydro-4-oxoquinoline-3-carboxylate dissolved in 5 ml of N,N-dimethylformamide, and resulting mixture was stirred at 100°C for 15 minutes. The reaction mixture was added to a mixed solvent of 50 ml of ethyl acetate and 100 ml of water, and the pH was adjusted to 2 with 2 N hydrochloric acid, after which insolubles were removed by filtration. The organic layer formed was separated, washed with a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure. The residue obtained was purified by a column chromatography (eluent: toluene : ethyl acetate = 3 : 1), and diethyl ether was thereafter added thereto, after which the crystals formed were collected by filtration, to obtain 0.55 g of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1733, 1693
- NMR (CDCl3) δ value: 0.70-1.60 (7H, m,), 2.42 (3H, s), 2.50 (3H, s), 3.70-4.10 (1H, m), 4.40 (2H, q, J=7.3Hz), 4.69 (4H, s), 6.90-8.20 (8H, m), 8.70 (1H, s)
- In the same manner, the following compounds were obtained.
- Ethyl 1-cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1728, 1693
- NMR (CDCl3) δ value: 0.90-1.55 (7H, m), 2.41 (3H, s), 3.20-3.70 (1H, m), 4.40 (2H, q, J=6.8Hz), 4.69 (4H, s), 7.00-8.25 (9H, m), 8.57 (1H, s)
- Ethyl (S)-9-fluoro-3-methyl-7-oxo-10-[2-(p-toluenesulfonyl)isoindolin-5-yl]-2,3-dihydro-7H-pyrido[1,2,3-de]-[1,4]benzoxazine-6-carboxylate
- IR (KBr) cm-1: υc=o 1721
- NMR (CDCl3) δ value: 1.00-1.55 (6H, m), 2.41 (3H, s), 4.00-4.80 (9H, m), 6.90-7.90 (8H, m), 8.32 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)-isoindolin-5-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate
- IR (KBr) cm-1: υc=o 1719, 1679, 1651
- NMR (d1-TFA) δ value: 1.10-1.90 (7H, m), 2.47 (3H, s), 4.10-5.10 (7H, m), 7.20-8.80 (8H, m), 9.45 (1H, s)
- Ethyl 8-chloro-1-cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1726
- NMR (CDCl3) δ value: 0.70-1.70 (7H, m), 2.41 (3H, s), 3.80-4.80 (7H, m), 6.90-8.25 (8H, m), 8.69 (1H, s)
- Ethyl 1-cyclopropyl-7-[4,7-difluoro-2-(p-toluenesulfonyl)isoindolin-5-yl]-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1728, 1690
- NMR (CDCl3) δ value: 1.00-1.60 (7H, m), 2.42 (3H, s), 3.15-3.65 (1H, m), 4.39 (2H, q, J=6.8Hz), 4.74 (4H, s), 6.90-8.00 (6H, m), 8.20 (1H, d, J=10.0Hz), 8.57 (1H, s)
- Ethyl 1-cyclopropyl-7-[4,7-difluoro-2-(p-toluenesulfonyl)isoindolin-5-yl]-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1729, 1691
- NMR (CDCl3) δ value: 0.90-1.70 (7H, m), 2.44 (3H, s), 3.43 (3H, s), 3.70-4.95 (7H, m), 6.80-8.15 (6H, m), 8.57 (1H, s)
- In 1 ml of toluene was suspended 47 mg of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylate, and to this suspension were added 74 mg of 2-(p-toluenesulfonyl)-5-tributylstannylisoindoline and 1.5 mg of tetrakis-(triphenylphosphine)palladium (0), after which the resulting mixture was heated under reflux for 18 hours under a nitrogen atmosphere. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 1 : 1), and diethyl ether was then added thereto, after which the crystals formed were collected by filtration, to obtain 27 mg of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- The physical properties of this compound were identical with those of the compound obtained in Example 1.
- In the same manner, the following compounds were obtained.
- Ethyl 1-cyclopropyl-6,8-difluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1731, 1696
- NMR (CDCl3) δ value: 0.90-1.80 (7H, m), 2.41 (3H, s), 3.60-4.10 (1H, m), 4.10-4.90 (6H, m), 6.80-8.30 (8H, m), 8.59 (1H, s)
- Ethyl 1-(2,4-difluorophenyl)-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate
- IR (KBr) cm-1: υc=o 1675, 1655
- NMR (CDCl3) δ value: 1.40 (3H, t, J=6.8Hz), 2.39 (3H, s), 4.41 (2H, q, J=6.8Hz), 4.63 (4H, s), 6.80-7.90 (10H, m), 8.48 (1H, d, J=10.0Hz), 8.58 (1H, s)
- Ethyl 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-fluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1732, 1718
- NMR (CDCl3) δ value: 0.85-1.75 (7H, m), 3.85-4.65 (3H, m), 4.81 (4H, s), 5.21 (2H, s), 5.61 (2H, d, J=48Hz), 7.05-7.55 (8H, m), 8.23 (1H, dd, J=2.0Hz, 8.8Hz), 8.66 (1H, s)
- In 5 ml of toluene was suspended 0.25 g of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate, and to this suspension were added 0.55 g of 2-(p-toluenesulfonyl)-5-tributylstannylisoindoline and 0.09 g of bis(triphenylphosphine)palladium (II) chloride, after which the resulting mixture was heated under reflux for eight hours under an argon stream. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: chloroform), after which diethyl ether was added thereto. The crystals formed were collected by filtration to obtain 0.19 g of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1731
- NMR (CDCl3) δ value: 0.80-1.70 (7H, m), 2.41 (3H, s), 3.32 (3H, s), 3.60-4.20 (1H, m), 4.40 (2H, q, J=6.8Hz), 4.68 (4H, s), 7.10-7.50 (5H, m), 7.60-8.15 (3H, m), 8.61 (1H, s)
- In the same manner, the following compounds were obtained.
- Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[1-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1732
- NMR (CDCl3) δ value: 0.80-2.00 (10H, m), 2.40 (3H, s), 3.30 (3H, s), 3.75-5.30 (6H, m), 7.10-8.15 (8H, m), 8.65 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1729
- NMR (CDCl3) δ value: 0.90-1.80 (10H, m), 2.39 (3H, s), 3.31 (3H, s), 3.75-5.10 (6H, m), 7.05-8.10 (8H, m), 8.61 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-trifluoroacetyl-spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1731, 1697
- NMR (CDCl3) δ value: 0.70-1.90 (9H, m), 2.20-2.90 (2H, m), 3.38 (3H, s), 3.60-4.70 (3H, m), 5.21 (2H, s), 6.55-8.20 (4H, m), 8.59 (1H, s)
- Ethyl 1-cyclopropyl-8-difluoromethoxy-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1730
- NMR (CDCl3) δ value: 0.90-1.70 (7H, m), 2.40 (3H, s), 3.70-4.85 (7H, m), 5.83 (1H, t, J=75Hz), 7.00-8.30 (8H, m), 8.62 (1H, s)
- Ethyl 1-cyclopropyl-8-difluoromethoxy-6-fluoro-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1732
- NMR (CDCl3) δ value: 0.70-1.80 (10H, m), 2.39 (3H, s), 3.60-5.30 (6H, m), 5.80 (1H, t, J=75Hz), 6.80-8.30 (8H, m), 8.64 (1H, s)
- Ethyl 1-cyclopropyl-8-difluoromethoxy-6-fluoro-7-[2-trifluoroacetyl-spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1729, 1701
- NMR (CDCl3) δ value: 0.80-1.65 (9H, m), 2.40-2.80 (2H, m), 3.80-4.70 (3H, m), 5.20 (2H, s), 5.88 (1H, t, J=74Hz), 6.70-7.60 (3H, m), 8.15 (1H, d, J=9.0Hz), 8.61 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-8-fluoromethoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1727
- NMR (CDCl3) δ value: 0.90-1.60 (7H, m), 2.41 (3H, s), 3.75-4.80 (7H, m), 5.02 (2H, d, J=54Hz), 7.00-7.85 (7H, m),8.10 (1H, d, J=9.3Hz), 8.62 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-7-[1-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1727
- NMR (CDCl3) δ value: 1.00-1.90 (10H, m), 2.38 (3H, s), 3.20-3.70 (1H, m), 3.90-5.20 (5H, m), 7.00-8.25 (9H, m), 8.54 (1H, s)
- Ethyl 1-cyclopropyl-6-fluoro-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1727, 1708, 1695
- NMR (CDCl3) δ value: 0.80-1.90 (10H, m), 2.39 (3H, s), 3.10-3.70 (1H, m), 3.90-5.20 (5H, m), 6.80-8.25 (9H, m), 8.55 (1H, s)
- Ethyl 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1726, 1709
- NMR (CDCl3) δ value: 0.80-1.70 (5H, m), 3.80-4.90 (7.5H, m), 5.00-5.50 (2.5H, m), 6.90-7.90 (8H, m), 8.18 (1H, d, J=8.8Hz), 8.59 (1H, d, J=2.4Hz)
- In 2 ml of methylene chloride was dissolved 200 mg of ethyl 2,5-difluoro-3-methyl-4-[2-(p-toluenesulfonyl)isoindolin-5-yl]benzoylacetate, and to this solution were added 76 mg of acetic anhydride and 90 mg of N,N-dimethylformamide dimethyl acetal, after which the resulting mixture was stirred at room temperature for two hours. Thereafter, the solvent was removed by distillation under reduced pressure. The residue obtained was dissolved in 1 ml of ethanol, and a solution of 58 mg of 2-fluoroethylamine hydrochloride and 27 mg of sodium methoxide in 1 ml of ethanol was added to the solution, after which the resulting mixture was stirred at room temperature for 20 minutes. The reaction mixture was concentrated under reduced pressure, and the residue obtained was dissolved in 2 ml of N,N-dimethylformamide, after which 65 mg of potassium carbonate was added to the solution. The resulting mixture was stirred at 100°C for one hour. The reaction mixture was cooled to room temperature, and thereafter, water was added to the mixture. The resulting precipitate was collected by filtration, and the pale yellow solid obtained was purified by a column chromatography (eluent: n-hexane : ethyl acetate = 2 : 1). And diisopropyl ether was thereafter added thereto, after which the crystals formed were collected by filtration, to obtain 126 mg of colorless, crystalline ethyl 6-fluoro-1-(2-fluoroethyl)-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1724, 1696
- NMR (CDCl3) δ value: 1.40 (3H, t, J=7.3Hz), 2.28 (3H, s), 2.41 (3H, s), 4.00-5.10 (10H, m), 6.90-7.90 (7H, m), 8.10 (1H, d, J=9.3Hz), 8.48 (1H, s)
- In the same manner, the following compounds were obtained.
- Ethyl 1-ethyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1725, 1686
- NMR (CDCl3) δ value: 1.10-1.80 (6H, m), 2.30 (3H, s), 2.39 (3H, s), 4.10-4.90 (8H, m), 7.00-8.00 (7H, m), 8.10 (1H, d, J=9.3Hz), 8.46 (1H, s)
- Ethyl 6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1725, 1690
- NMR (CDCl3) δ value: 1.00-1.90 (5H, m), 2.42 (6H, s), 3.30-4.80 (7.5H, m), 5.10-5.50 (0.5H, m), 6.80-8.20 (8H, m), 8.57 (1H, d, J=2.9Hz)
- Ethyl 1-(2,4-difluorophenyl)-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1734, 1700
- Ethyl 1-(4-benzyloxyphenyl)-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1728, 1694
- NMR (CDCl3) δ value: 1.10-1.80 (6H, m), 2.36 (3H, s), 4.35 (2H, q, J=7.3Hz), 4.60 (4H, s), 5.08 (2H, s), 6.80-7.90 (16H, m), 8.11 (1H, d, J=9.3Hz), 8.43 (1H, s)
- Ethyl 6-fluoro-1-(2-fluoroethyl)-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1724
- NMR (CDCl3) δ value: 1.40 (3H, t, J=7.3Hz), 2.41 (3H, s), 4.10-5.35 (10H, m), 7.00-7.90 (8H, m), 8.20 (1H, d, J=10.3Hz), 8.46 (1H, s)
- Ethyl 1-(2,4-difluorophenyl)-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate
- IR (KBr) cm-1: υc=o 1725
- NMR (CDCl3) δ value: 1.40 (3H, t, J=7.3Hz), 2.39 (3H, s), 4.10-4.70 (6H, m), 6.90-7.90 (11H, m), 8.23 (1H, d, J=10.3Hz), 8.38 (1H, s)
- In 0.71 g of ethyl orthoformate and 0.49 g of acetic anhydride was dissolved 0.66 g of ethyl 4-[2-(benzyloxycarbonyl)isoindolin-5-yl]-2,5-difluoro-3-methoxy-6-nitrobenzoylacetate, and the solution was heated under reflux for 30 minutes. The reaction mixture was concentrated under reduced pressure, and the residue obtained was dissolved in 3.3 ml of ethanol and 2 ml of methylene chloride. To the solution was added 0.08 g of cyclopropylamine, and the resulting mixture was stirred at room temperature for 30 minutes. The reaction mixture was concentrated under reduced pressure, and the residue obtained was dissolved in 10 ml of tetrahydrofuran. To the solution was added 0.05 g of 60% sodium hydride, and the resulting mixture was stirred at room temperature for 30 minutes. To the reaction mixture was added 10 ml of 1 N hydrochloric acid, and the crystals precipitated were collected by filtration, to obtain 0.33 g of colorless, crystalline ethyl 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-methoxy-5-nitro-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: υc=o 1728, 1709
- NMR (CDCl3) δ value: 0.90-1.60 (7H, m), 3.42 (3H, s), 3.70-4.10 (1H, m), 4.34 (2H, q, J=6.8Hz), 4.84 (4H, s), 5.23 (2H, s), 7.05-7.55 (8H, m), 8.61 (1H, s)
-
- (1) In 20 ml of carbon tetrachloride were suspended 470 mg of ethyl 7-(4-cyano-3-methyl)phenyl-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate, 230 mg of N-bromosuccinimide and 50 mg of perbenzoic acid, and the suspension was heated under refulx for two hours. To the reaction mixture were added 110 mg of N-bromosuccinimide and 20 mg of perbenzoic acid and the resulting mixture was heated under reflux for a further two hours. This operation was repeated once. The solvent was removed by distillation under reduced pressure and to the residue obtained were added 20 ml of chloroform and 10 ml of water to allow the mixture to separate into two layers. The organic layer formed was separated and dried over anhydrous magnesium sulfate. Thereafter, the solvent was removed by distillation under reduced pressure, to obtain 370 mg of crude crystals of ethyl 7-(3-bromomethyl-4-cyano)phenyl-1-cyclopropyl-6-fluoro-8- methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- (2) The compound obtained in (1) above, 76 mg of sodium azide and 13 mg of tetra-n-butylammonium bromide were dissolved in a mixed solvent of 2 ml of water and 2 ml of methylene chloride, and the solution was stirred at room temperature for 15 hours. The solvent was removed by distillation under reduced pressure and to the residue obtained were added 20 ml of ethyl acetate and 10 ml of water to allow the mixture to separate into two layers. The organic layer formed was separated, washed successively with water and a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was then removed by distillation under reduced pressure, and diethyl ether was added to the residue obtained. The crystals formed were collected by filtration, to obtain 270 mg of colorless, crystalline ethyl 7-(3-azidomethyl-4-cyano)phenyl-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate.
- IR (KBr) cm-1: -N3 2103, υc=o 1728
- NMR (CDCl3) δ value: 0.80-1.70 (7H, m), 3.37 (3H, s), 3.70-4.10 (1H, m), 4.40 (2H, q, J=7.0Hz), 4.70 (2H, s), 7.15-8.20 (4H, m), 8.64 (1H, s)
- (3) To a suspension of 302 mg of stannous chloride in 2 ml of methanol were dropwise added 3 ml of a methanol solution of 210 mg of the compound obtained in (2) above at room temperature over about one hour, and the resulting mixture was stirred at the same temperature for 30 minutes. The solvent was removed by distillation under reduced pressure, and to the residue obtained were added 10 ml of chloroform and 10 ml of a saturated aqueous potassium carbonate solution, after which insolubles were removed by filtration through Celite. The filtrate obtained was allowed to separate into two layers, and the organic layer formed was washed successively with a saturated aqueous potassium carbonate solution and a saturated saline solution and then dried over anhydrous magnesium sulfate. The solvent was removed by distillation under reduced pressure, and the residue obtained was purified by a column chromatography [eluent: the organic layer of (chloroform : ethanol : conc. ammonia water = 150 : 25: 1)], to obtain 100 mg of a mixture of methyl ester and ethyl ester of 1-cyclopropyl-6-fluoro-7-(1-iminoisoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- (4) To a suspension of 100 mg of the mixture obtained in (3) above in 2 ml of ethanol and 2 ml of dioxane was added 1 ml of 1 N aqueous sodium hydroxide solution, and the resulting mixture was stirred at room temperature for two hours. The solvent was removed by distillation under reduced pressure, and to the residue obtained was added 2 ml of water, after which insolubles were removed by filtration. A carbon dioxide gas was blown into the filtrate obtained and the crystals precipitated were collected by filtration, to obtain 56 mg of colorless, crystalline 1-cyclopropyl-6-fluoro-7-(1-iminoisoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1617
- NMR (d1-TFA) δ value: 1.20-1.80 (4H, m), 3.61 (3H, s), 4.35-5.20 (3H, m), 7.70-8.50 (4H, m), 9.53 (1H, s)
- In 3 ml of ethanol was suspended 0.30 g of ethyl 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate, and 3 ml of 1 N aqueous sodium hydroxide solution and 3 ml of dioxane were added to the suspension, after which the resulting mixture was stirred at room temperature for two hours. To the reaction mixture was added 3 ml of 1 N hydrochloric acid, and the crystals thus formed were collected by filtration, to obtain 0.27 g of colorless, crystalline 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1726
- NMR (d1-TFA) δ value: 1.10-1.90 (4H, m), 2.48 (3H, s), 2.89 (3H, s), 4.50-5.00 (5H, m), 6.90-8.00 (7H, m), 8.30 (1H, d, J=7.8Hz), 9.62 (1H, s)
- In the same manner, the following compounds were obtained.
- 1-Cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1724
- NMR (d1-TFA) δ value: 1.10-1.90 (4H, m), 2.47 (3H, s), 3.80-4.45 (1H, m), 4.87 (4H, s), 7.10-8.00 (7H, m), 8.44 (1H, d, J=9.3Hz), 8.74 (1H, d, J=5.9Hz), 9.46 (1H, s)
- (S)-9-fluoro-3-methyl-7-oxo-10-[2-(p-toluenesulfonyl)isoindolin-5-yl]-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- IR (KBr) cm-1: υc=o 1723
- NMR (d1-TFA) δ value: 1.83 (3H, d, J=6.8Hz), 2.47 (3H, s), 4.40-5.50 (7H, m), 7.00-8.30 (8H, m), 9.35 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1718
- NMR (d1-TFA) δ value: 1.20-1.90 (4H, m), 2.47 (3H, s), 4.20-4.70 (1H, m), 4.89 (4H, s), 7.20-8.90 (8H, m), 9.53 (1H, s)
- 1-Cyclopropyl-6,8-difluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1729
- NMR (CDCl3) δ value: 0.90-1.80 (4H, m), 2.38 (3H, s), 3.60-4.30 (1H, m), 4.67 (4H, s), 7.00-8.30 (8H, m), 8.83 (1H, s), 14.0 (1H, brs)
- 8-chloro-1-cyclopropyl-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1728
- NMR (CDCl3) δ value: 0.70-1.50 (4H, m), 2.39 (3H, s), 4.00-4.50 (1H, m), 4.67 (4H, s), 6.80-7.90 (7H, m), 8.13 (1H, d, J=8.8Hz), 8.93 (1H, s), 14.0 (1H, brs)
- 1-cyclopropyl-7-[4,7-difluoro-2-(p-toluenesulfonyl)-isoindolin-5-yl]-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1734
- NMR (d1-TFA) δ value: 1.10-1.85 (4H, m), 2.49 (3H, s), 4.00-4.45 (1H, m), 4.92 (4H, s), 7.10-8.10 (5H, m), 8.47 (1H, d, J=8.5Hz), 8.77 (1H, d, J=5.5Hz), 9.49 (1H, s)
- 1-Cyclopropyl-7-[4,7-difluoro-2-(p-toluenesulfonyl)-isoindolin-5-yl]-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1730
- NMR (CDCl3) δ value: 0.90-1.70 (4H, m), 2.40 (3H, s), 3.47 (3H, s), 3.80-4.30 (1H, m), 4.81 (4H, s), 6.80-8.20 (6H, m), 8.85 (1H, s), 14.2 (1H, brs)
- 1-(2,4-Difluolophenyl)-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1724
- NMR (d1-TFA) δ value: 2.46 (3H, s), 4.78 (4H, s), 7.05-8.15 (10H, m), 8.71 (1H, d, J=10.0Hz), 9.50 (1H, s)
- 7-[2-(Benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-fluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1713
- NMR (CDCl3) δ value: 0.75-1.60 (4H, m), 4.00-4.50 (1H, m), 4.85 (4H, s), 5.23 (2H, s), 5.70 (2H, d, J=47Hz), 6.80-7.75 (8H, m), 8.28 (1H, d, J=7.5Hz), 8.95 (1H, s), 14.1 (1H, brs)
- 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1727
- NMR (CDCl3) δ value: 1.00-1.50 (4H, m), 2.40 (3H, s), 3.34 (3H, s), 3.80-4.40 (1H, m), 4.69 (4H, brs), 6.90-8.20 (8H, m), 8.86 (1H, s), 14.3 (1H, brs)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-[1-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1734
- NMR (d1-TFA) δ value: 1.20-2.00 (7H, m), 2.45 (3H, s), 3.54 (3H, s), 4.35-5.45 (4H, m), 7.00-7.95 (7H, m), 8.20 (1H, d, J=8.5Hz), 9.49 (1H, s)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1728
- NMR (CDCl3-D2O) δ value: 0.90-1.45 (4H, m), 1.68 (3H, d, J=6.5Hz), 2.39 (3H, s), 3.34 (3H, s), 3.80-4.30 (1H, m), 4.55-5.25 (3H, m), 7.05-8.10 (8H, m), 8.85 (1H, s)
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1732
- NMR (CDCl3+CD3OD) δ value: 0.90-1.50 (4H, m), 2.42 (3H, s), 3.90-4.35 (1H, m), 4.70 (4H, s), 5.91 (1H, t, J=75Hz), 7.15-7.95 (7H, m), 8.18 (1H, d, J=9.0Hz), 8.92 (1H, s)
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1732
- NMR (CDCl3) δ value: 0.80-1.95 (7H, m), 2.39 (3H, s), 3.85-4.35 (1H, m), 4.45-5.25 (3H, m), 5.82 (1H, t, J=74Hz), 7.10-7.50 (5H, m), 7.55-7.90 (2H, m), 8.18 (1H, d, J=8.8Hz), 8.91 (1H, s), 14.0 (1H, brs)
- 1-Cyclopropyl-6-fluoro-8-fluoromethoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1732
- NMR (CDCl3) δ value: 0.80-1.50 (4H, m), 2.42 (3H, s), 3.90-4.40 (1H, m), 4.69 (4H, s), 5.06 (2H, d, J=53Hz), 7.00-7.80 (7H, m), 8.12 (1H, d, J=8.8Hz), 8.91 (1H, s), 14.2 (1H, brs)
- 1-Cyclopropyl-6-fluoro-7-[1-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1751, 1734
- NMR (d1-TFA) δ value: 1.20-2.10 (7H, m), 2.45 (3H, s), 3.90-4.50 (1H, m), 4.60-5.50 (3H, m), 7.10-8.05 (7H, m), 8.42 (1H, d, J=9.5Hz), 8.74 (1H, d, J=6.0Hz), 9.46 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-[3-methyl-2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1754, 1736
- NMR (d1-TFA) δ value: 1.25-2.00 (7H, m), 2.46 (3H, s), 3.95-4.45 (1H, m), 4.65-5.50 (3H, m), 7.20-8.10 (7H, m), 8.44 (1H, d, J=9.5Hz), 8.74 (1H, d, J=6.0Hz), 9.46 (1H, s)
- 7-[2-(Benzyloxycarbonyl)isoindolin-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1708
- NMR (CDCl3) δ value: 0.90-2.20 (2H, m), 3.80-5.00 (5.5H, m), 5.00-5.50 (2.5H, m), 6.90-7.50 (8H, m), 8.20 (1H, d, J=7.8Hz), 8.88 (1H, brs), 13.7 (1H, brs)
- 6-Fluoro-1-(2-fluoroethyl)-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1718
- NMR (d1-TFA) δ value: 2.47 (3H, s), 2.65 (3H, s), 3.70-6.00 (8H, m), 7.00-8.10 (7H, m), 8.36 (1H, d, J=8.0Hz), 9.46 (1H, s)
- 1-Ethyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1720
- NMR (CDCl3) δ value: 1.46 (3H, t, J=7.3 Hz), 2.41 (6H, s), 4.15-4.90 (6H, m), 6.90-7.90 (7H, m), 8.14 (1H, d, J=9.3Hz), 8.74 (1H, s), 14.4 (1H, brs)
- 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1726
- NMR (CDCl3) δ value: 0.80-2.30 (2H, m), 2.42 (3H, s), 2.51 (3H, s), 3.70-4.90 (5.5H, m), 5.10-5.60 (0.5H, m), 6.80-8.15 (8H, m), 8.83 (1H, d, J=2.9Hz)
- 1-(2,4-Difluorophenyl)-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4- oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1734
- 1-(4-Benzyloxyphenyl)-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1728
- NMR (d1-TFA) δ value: 1.81 (3H, s), 2.46 (3H, s), 4.60-5.70 (6H, m), 6.90-8.20 (16H, m), 8.41 (1H, d, J=8.3Hz), 9.32 (1H, s)
- 6-Fluoro-1-(2-fluoroethyl)-7-[2-(p-toluenesulfonyl)-isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1719
- NMR (d1-TFA) δ value: 2.47 (3H, s), 4.40-5.60 (8H, m), 7.10-8.60 (9H, m), 9.45 (1H, s)
- 1-(2,4-Difluorophenyl)-6-fluoro-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1719
- 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-methoxy-5-nitro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1736, 1702
- NMR (CDCl3) δ value: 0.80-1.80 (4H, m), 3.45 (3H, s), 3.80-4.30 (1H, m), 4.86 (4H, s), 5.23 (2H, s), 7.10-7.50 (8H, m), 8.92 (1H, s), 13.3 (1H, brs)
- In 5.3 ml of 47% hydrobromic acid was suspended 0.53 g of 1-cyclopropyl-6-fluoro-8-methyl-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3 carboxylic acid, and 0.28 g of phenol and 3.2 ml of propionic acid were added to the suspension, after which the resulting mixture was heated under reflux for one hour under a nitrogen stream. The reaction mixture was concentrated under reduced pressure, and ethanol was added to the residue obtained, after which the crystals formed were collected by filtration, to obtain 0.38 g of colorless, crystalline 1-cyclopropyl-6-fluoro-8-methyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid hydrobromide. The hydrobromide obtained was suspended in 3.8 ml of ethanol and then dissolved in 7.6 ml of 0.5 N aqueous sodium hydroxide solution, after which a carbon dioxide gas was blown into the solution. The crystals formed were collected by filtration, to obtain 0.27 g of colorless, crystalline 1-cyclopropyl-6-fluoro-8-methyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1643
- NMR (d1-TFA) δ value: 0.90-2.00 (4H, m), 2.94 (3H, s), 4.40-5.30 (5H, m), 7.10-7.85 (3H, m), 8.35 (1H, d, J=7.8Hz), 9.63 (1H, s)
- In the same manner, the following compounds were obtained.
- 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1615
- NMR (d1-TFA) δ value: 1.20-2.10 (4H, m), 4.00-4.60 (1H, m), 5.04 (4H, s), 7.40-8.10 (3H, m), 8.49 (1H, d, J=9.3Hz), 8.74 (1H, d, J=5.9Hz), 9.49 (1H, s)
- (S)-9-Fluoro-3-methyl-10-(isoindolin-5-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- IR (KBr) cm-1: υc=o 1717
- NMR (d1-TFA) δ value: 1.85 (1H, d, J=6.8Hz), 4.10-5.50 (7H, m), 7.64 (3H, s), 8.12 (1H, d, J=8.8Hz), 9.37 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1617
- NMR (d1-TFA) δ value: 1.00-2.00 (4H, m), 4.10-4.70 (1H, m), 5.03 (4H, s), 7.30-9.00 (4H, m), 9.53 (1H, s)
- 1-Cyclopropyl-6,8-difluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1616
- NMR (d1-TFA) δ value: 1.30-2.00 (4H, m), 4.30-5.30 (5H, m), 7.71 (3H, s), 8.37 (1H, d, J=7.8Hz), 9.52 (1H, s)
- 8-Chloro-1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1636
- NMR (d1-TFA) δ value: 1.10-1.90 (4H, m), 4.60-5.20 (5H, m), 7.30-7.80 (3H, m), 8.43 (1H, d, J=6.8Hz), 9.63 (1H, s)
- 1-Cyclopropyl-7-(4,7-difluoroisoindolin-5-yl)-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1720
- NMR (d1-TFA) δ value: 1.15-1.95 (4H, m), 3.95-4.60 (1H, m), 5.13 (4H, s), 7.15-7.65 (1H, m), 8.51 (1H, d, J=8.8Hz), 8.84 (1H, d, J=5.4Hz), 9.51 (1H, s)
- 1-Cyclopropyl-7-(4,7-difluoroisoindolin-5-yl)-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1734
- NMR (d1-TFA) δ value: 1.20-1.80 (4H, m), 3.75 (3H, s), 4.45-4.95 (1H, m), 5.15 (4H, s), 7.20-7.55 (1H, m), 8.24 (1H, d, J=8.5Hz), 9.50 (1H, s)
- 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1654
- NMR (d1-TFA) δ value: 4.99 (4H, brs), 6.90-8.40 (6H, m), 8.78 (1H, d, J=9.5Hz), 9.50 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1637
- NMR (d1-TFA) δ value: 1.20-1.80 (4H, m), 3.62 (3H, s), 4.40-5.20 (5H, m), 7.73 (3H, brs), 8.26 (1H, d, J=8.3Hz), 9.50 (1H, s)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-(1-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1726
- NMR (d1-TFA) δ value: 1.30-2.20 (7H, m), 3.60 (3H, s), 4.50-5.60 (4H, m), 7.30-8.00 (3H, m), 8.26 (1H, d, J=8.3Hz), 9.51 (1H, s)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1629
- NMR (d1-TFA) δ value: 1.10-2.10 (7H, m), 3.62 (3H, s), 4.30-5.65 (4H, m), 7.20-7.80 (3H, m), 8.29 (1H, d, J=8.3Hz), 9.50 (1H, s)
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1636
- NMR (d1-TFA) δ value: 1.00-2.00 (4H, m), 4.30-5.20 (5H, m), 6.20 (1H, t, J=72Hz), 7.72 (3H, brs), 8.46 (1H, d, J=8.3Hz), 9.58 (1H, s)
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1638
- NMR (d1-TFA) δ value: 1.15-2.15 (7H, m), 4.45-5.15 (3H, m), 5.15-5.70 (1H, m), 6.20 (1H, t, J=72Hz), 7.30-7.95 (3H, m), 8.46 (1H, d, J=8.3Hz), 9.59 (1H, s)
- 1-cyclopropyl-6-fluoro-8-fluoromethoxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1732
- NMR (d1-TFA) δ value: 1.00-2.00 (4H, m), 4.50-5.25 (5H, m), 5.28 (2H, d, J=52Hz), 7.20-7.90 (3H, m), 8.39 (1H, d, J=8.3Hz), 9.56 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-(1-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1618
- NMR (d1-TFA) δ value: 1.30-2.20 (7H, m), 4.00-4.50 (1H, m), 4.80-5.70 (3H, m), 7.40-8.00 (3H, m), 8.49 (1H, d, J=9.0Hz), 8.79 (1H, d, J=6.0Hz), 9.49 (1H, s)
- 1-Cyclopropyl-6-fluoro-7-(3-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1618
- NMR (d1-TFA) δ value: 1.20-2.15 (7H, m), 3.95-4.50 (1H, m), 4.70-5.70 (3H, m), 7.40-8.05 (3H, m), 8.15-9.00 (2H, m), 9.44 (1H, s)
- 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1628
- NMR (d1-TFA) δ value: 2.73 (3H, s), 4.00-6.00 (8H, m), 7.00-7.90 (3H, m), 8.44 (1H, d, J=7.3Hz), 9.53 (1H, s)
- 1-Ethyl-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1633
- NMR (d1-TFA) δ value: 1.76 (3H, t, J=7.3Hz), 2.78 (3H, s), 4.80-5.50 (6H, m), 7.30-7.70 (3H, m), 8.41 (1H, d, J=7.8Hz), 9.45 (1H, s)
- 6-Fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1634
- NMR (d1-TFA) δ value: 1.20-2.40 (2H, m), 2.88 (3H, s), 4.30-5.90 (6H, m), 7.10-7.90 (3H, m), 8.35 (1H, d, J=7.3Hz), 9.53 (1H, s)
- 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1636
- NMR (d1-TFA) δ value: 1.90 (3H, s), 4.50-5.20 (4H, m), 6.80-8.00 (6H, m), 8.45 (1H, d, J=7.8Hz), 9.35 (1H, s)
- 6-Fluoro-1-(4-hydroxyphenyl)-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1622
- NMR (d1-TFA) δ value: 1.95 (3H, s), 4.98 (4H, brs), 6.50-7.80 (7H, m), 8.48 (1H, d, J=7.7Hz), 9.32 (1H, s)
- 6-Fluoro-1-(2-fluoroethyl)-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1618
- NMR (d1-TFA) δ value: 4.40-5.80 (8H, m), 7.50-8.10 (3H, m), 8.20-8.80 (2H, m), 9.48 (1H, s)
- 1-(2,4-Difluorophenyl)-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1622
- NMR (d1-TFA) δ value: 4.96 (4H, brs), 7.00-8.00 (7H, m), 8.56 (1H, d, J=9.3Hz), 9.38 (1H, s)
- In 0.5 ml of 47% hydrobromic acid was suspended 50 mg of 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, and to the suspension were added 26 mg of phenol and 0.3 ml of propionic acid, after which the resulting mixture was stirred at 130°C for six hours. The reaction mixture was concentrated under reduced pressure, and to the residue obtained were added 0.3 ml of ethanol, 0.3 ml of 1 N aqueous sodium hydroxide solution and 0.3 ml of water to dissolve the residue. Thereafter, a carbon dioxide gas was blown into the solution, and the crystals precipitated were collected by filtration, to obtain 12 mg of pale yellow, crystalline 1-cyclopropyl-6-fluoro-8-hydroxy-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1613
- NMR (d1-TFA) δ value: 1.00-1.80 (4H, m), 4.50-5.20 (5H, m), 7.66 (3H, brs), 8.00 (1H, d, J=8.6Hz), 9.44 (1H, s)
- To a suspension of 210 mg of ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-trifluoroacetylspiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate in 4.2 ml of ethanol were added 2.1 ml of 1 N aqueous sodium hydroxide solution and 4.2 ml of dioxane, after which the resulting mixture was heated with stirring at 40°C for three hours. The reaction mixture was cooled to room temperature, and thereafter, insolubles were removed by filtration, after which a carbon dioxide gas was blown in the filtrate obtained. The crystals precipitated were collected by filtration, to obtain 140 mg of pale yellow, crystalline 1-cyclopropyl-6-fluoro-8-methoxy-7-[spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1618
- NMR (d6-DMSO) δ value: 0.80-1.50 (6H, m), 2.40-2.80 (2H, m), 3.43 (3H, s), 4.00-4.40 (3H, m), 6.90-7.60 (3H, m), 7.90 (1H, d, J=9.0Hz), 8.85 (1H, s)
- In the same manner, the following compound was obtained.
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-[spiro[isoindolin-1,1'-cyclopropan]-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1636
- NMR (d6-DMSO) δ value: 0.90-1.40 (6H, m), 2.40-2.60 (2H, m), 3.50-4.40 (3H, m), 6.67 (1H, t, J=73Hz), 6.80-7.50 (3H, m), 8.11 (1H, d, J=9.0Hz), 8.88 (1H, s)
- In 25 ml of acetic acid and 50 mg of 5% palladium carbon was suspended 150 mg of 7-[2-(benzyloxycarbonyl)-isoindolin-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, and the suspension was stirred at room temperature for two hours under a hydrogen stream. The reaction mixture was filtered and thereafter 2 ml of 6 N hydrochloric acid was added to the filtrate obtained, after which the mixture was concentrated under reduced pressure. To the residue obtained were added ethanol, and the crystals formed were collected by filtration. To the crystals obtained were added 0.7 ml of ethanol, 0.7 ml of 1 N aqueous sodium hydroxide solution and 0.7 ml of water to dissolve the crystals, and thereafter, dilute acetic acid was added to the solution to adjust the pH to 7. The crystals precipitated were collected by filtration, to obtain 45 mg of colorless, crystalline 8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1641
- NMR (d1-TFA) δ value: 1.30-2.30 (2H, m), 4.30-5.90 (6H, m), 7.20-7.80 (3H, m), 8.46 (1H, d, J=7.3Hz), 9.56 (1H, s)
- In 10 ml of acetic acid and 60 mg of 5% palladium carbon was suspended 85 mg of 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-methoxy-5-nitro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, and the suspension was stirred at room temperature for two hours under a hydrogen stream. The reaction mixture was filtered, and thereafter, 2 ml of 6 N hydrochloric acid was added to the filtrate obtained, after which the resulting mixture was concentrated under reduced pressure. To the residue obtained were added ethanol, and the crystals formed were collected by filtration. To the crystals obtained were added 0.5 ml of ethanol, 0.5 ml of 1 N aqueous sodium hydroxide solution and 0.5 ml of water to dissolve the crystals. Thereafter, a carbon dioxide gas was blown into the solution, and the crystals precipitated were collected by filtration, to obtain 55 mg of pale yellow, crystalline 5-amino-1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1716
- NMR (d1-TFA) δ value: 0.70-1.70 (4H, m), 3.58 (3H, s), 4.00-4.70 (1H, m), 5.02 (4H, brs), 7.70 (3H, brs), 9.29 (1H, s)
- In 3.2 ml of 30% hydrogen bromide-acetic acid solution was suspended 0.16 g of 7-[2-(benzyloxycarbonyl)isoindolin-5-yl]-1-cyclopropyl-6-fluoro-8-fluoromethyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, and the suspension was stirred at room temperature for 40 minutes. The reaction mixture was concentrated under reduced pressure and to the residue was added ethanol, and the crystals formed were collected by filtration. The crystals obtained were dissolved in dilute aqueous sodium hydroxide solution, and the pH was adjusted to 7 with dilute hydrochloric acid. The crystals precipitated were collected by filtration, to obtain 68 mg of colorless, crystalline 1-cyclopropyl-6-fluoro-8-fluoromethyl-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1638
- NMR (d1-TFA) δ value: 1.10-2.05 (4H, m), 4.65-5.25 (5H, m), 5.96 (2H, d, J=47Hz), 7.25-7.85 (3H, m), 8.52 (1H, d, J=7.8Hz), 9.65 (1H, s)
- In 0.50 ml of formic acid was suspended 50 mg of 1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid hydrobromide, and 27 mg of formalin was added to the suspension, after which the mixture was heated under reflux for two hours. The solvent was then removed by distillation under reduced pressure. To the residue obtained was added 5 ml of water and the pH was adjusted to 7 with a saturated aqueous sodium hydrogencarbonate solution, after which the resulting mixture was extracted with five 5 ml portions of chloroform. The resulting chloroform layer was dried over anhydrous magnesium sulfate and then the solvent was removed by distillation under reduced pressure. Ethanol was added to the residue obtained and the crystals formed were collected by filtration, to obtain 29 mg of pale yellow, crystalline 1-cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid.
- IR (KBr) cm-1: υc=o 1730
- NMR (d1-TFA) δ value: 1.20-2.05 (4H, m), 3.39 (3H, s), 4.00-5.60 (5H, m), 7.45-8.05 (3H, m), 8.50 (1H, d, J=9.2Hz), 8.80 (1H, d, J=5.9Hz), 9.50 (1H, s)
- In the same manner, the following compounds were obtained.
- 1-Cyclopropyl-6-fluoro-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1725
- NMR (d1-TFA) δ value: 1.05-2.00 (4H, m), 2.93 (3H, s), 3.38 (3H, s), 4.30-5.50 (5H, m), 7.20-7.80 (3H, m), 8.34 (1H, d, J=7.3Hz), 9.63 (1H, s)
- (S)-9-Fluoro-3-methyl-10-(2-methylisoindolin-5-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
- IR (KBr) cm-1: υc=o 1716
- NMR (d1-TFA) δ value: 1.50-2.20 (3H, m), 3.35 (3H, brs), 4.10-5.80 (7H, m), 6.90-8.30 (4H, m), 9.35 (1H, brs)
- 1-Cyclopropyl-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1727
- NMR (CDCl3) δ value: 0.90-1.55 (4H, m), 2.63 (3H, s), 3.50-4.20 (5H, m), 7.36 (1H, d, J=8.3Hz), 7.80-8.20 (2H, m), 8.44 (1H, d, J=10.7Hz), 8.93 (1H, s)
- 1-Cyclopropyl-6,8-difluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1648
- NMR (CDCl3) δ value: 0.90-1.50 (4H, m), 2.60 (3H, brs), 3.50-4.40 (5H, m), 7.25 (3H, s), 8.07 (1H, d, J=8.5Hz), 8.87 (1H, s)
- 1-Cyclopropyl-6-fluoro-8-methoxy-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1732
- NMR (d1-TFA) δ value: 1.20-1.80 (4H, m), 3.39 (3H, s), 3.63 (3H, s), 4.30-5.60 (5H, m), 7.73 (3H, brs), 8.26 (1H, d, J=8.5Hz), 9.52 (1H, s)
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1723
- NMR (d1-TFA) δ value: 1.00-2.00 (4H, m), 3.34 (3H, s), 4.30-5.50 (5H, m), 6.23 (1H, t, J=72Hz), 7.73 (3H, brs), 8.47 (1H, d, J=8.3Hz), 9.60 (1H, s)
- 6-Fluoro-1-(2-fluoroethyl)-8-methyl-7-(2-methylisoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid
- IR (KBr) cm-1: υc=o 1718
- The compounds of the present invention in which a carbon atom of an isoindolin ring is bonded to 7-position of a quinolone- or naphthylidone-carboxylic acid skeleton are useful as an antibacterial agent.
Claims (18)
- A quinolone- or naphthylidone-carboxylic acid derivative represented by the following formula or its salt:
- The quinolone- or naphthylidone-carboxylic acid derivative or its salt according to Claim 1, wherein R2 represents a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl or heterocyclic group; R3 represents at least one member selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aryl, lower alkoxy or lower alkylthio group, a nitro group, a cyano group, an acyl group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxy-lower alkyl group, a protected or unprotected amino group, a protected or unprotected lower alkylamino group, a di-lower alkylamino group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group and a di-lower alkylamino-lower alkyl group; R4 represents at least one member selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkenyl, cycloalkyl, aralkyl, aryl, lower alkoxy or lower alkylthio group, a protected or unprotected hydroxyl group, a protected or unprotected hydroxy-lower alkyl group, a protected or unprotected amino group, a protected or unprotected lower alkylamino group, a di-lower alkylamino group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group, a di-lower alkylamino-lower alkyl group, a lower alkylidene group, an oxo group, an imino group and a group forming a cycloalkane ring together with the carbon atom to which R4 is bonded; R5 represents a hydrogen atom, a substituted or unsubstituted lower alkyl, cycloalkyl, lower alkylsulfonyl, arylsulfonyl, acyl or aryl group, a protected or unprotected amino-lower alkyl group, a protected or unprotected lower alkylamino-lower alkyl group, a di-lower alkylamino-lower alkyl group or a protected or unprotected hydroxy-lower alkyl group; R6 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkoxy or lower alkylthio group, a protected or unprotected hydroxyl group, a protected or unprotected amino group or a nitro group; and
- The quinolone- or naphthylidone-carboxylic acid derivative or its salt according to Claim 1 or 2, wherein R3 represents at least one member selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted lower alkyl, lower alkoxy or lower alkylthio group, a nitro group, a cyano group, a protected or unprotected hydroxyl group and a protected or unprotected amino group.
- The quinolone- or naphthylidone-carboxylic acid derivative or its salt according to any one of Claims 1 to 3, wherein R4 represents a hydrogen atom, a substituted or unsubstituted lower alkyl group, a lower alkylidene group and a group forming a cycloalkane ring together with the carbon atom to which R4 is bonded.
- The quinolone- or naphthylidone-carboxylic acid derivative or its salt according to any one of Claims 1 to 4, wherein R5 represents a hydrogen atom or a substituted or unsubstituted lower alkyl or cycloalkyl group.
- The quinolone- or naphthylidone-carboxylic acid derivative or its salt according to any one of Claims 1 to 5, wherein R6 represents a substituted or unsubstituted lower alkyl group or a protected or unprotected amino group.
- 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methyl-1,4-dihydro-4-oxoquinoline-3-carboxylic acid or its salt.
- (S)-9-fluoro-3-methyl-10-(2-methylisoindolin-5-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid or its salt.
- 1-Cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid or its salt.
- 1-Cyclopropyl-8-difluoromethoxy-6-fluoro-7-(isoindolin-5-yl)-1,4-dihydro-4-oxoquinoline-3-carboxylic acid or its salt.
- 5-amino-1-cyclopropyl-6-fluoro-7-(isoindolin-5-yl)-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid or its salt.
- Use of a quinolone- or naphthylidonecarboxylic acid derivative or its salt according to Claim 1 as an antibacterial agent.
- A pharmaceutical composition comprising a pharmaceutically effective amount of a quinolone- or naphthylidone-carboxylic acid derivative or a salt as claimed in Claim 1 and a pharmaceutically acceptable preparation adjuvant.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP212083/94 | 1994-08-12 | ||
JP21208394 | 1994-08-12 | ||
JP21208394 | 1994-08-12 | ||
PCT/JP1995/001551 WO1996005192A1 (en) | 1994-08-12 | 1995-08-04 | Novel quinolone- or naphthyridonecarboxylic acid derivative or salt thereof |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0775702A1 true EP0775702A1 (en) | 1997-05-28 |
EP0775702A4 EP0775702A4 (en) | 1997-11-05 |
EP0775702B1 EP0775702B1 (en) | 2003-07-23 |
Family
ID=16616594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95927967A Expired - Lifetime EP0775702B1 (en) | 1994-08-12 | 1995-08-04 | Novel quinolone- or naphthyridonecarboxylic acid derivative or salt thereof |
Country Status (17)
Country | Link |
---|---|
US (1) | US5935952A (en) |
EP (1) | EP0775702B1 (en) |
KR (1) | KR100371723B1 (en) |
CN (1) | CN1070191C (en) |
AT (1) | ATE245638T1 (en) |
AU (1) | AU692583B2 (en) |
CA (1) | CA2196271C (en) |
DE (1) | DE69531350T2 (en) |
DK (1) | DK0775702T3 (en) |
ES (1) | ES2203644T3 (en) |
FI (1) | FI113652B (en) |
HU (1) | HU228062B1 (en) |
IL (1) | IL114875A (en) |
NO (1) | NO312032B1 (en) |
NZ (1) | NZ290946A (en) |
WO (1) | WO1996005192A1 (en) |
ZA (1) | ZA956713B (en) |
Cited By (9)
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AU750760B2 (en) * | 1997-10-27 | 2002-07-25 | Toyama Chemical Co. Ltd. | Processes for producing 7-isoindolinequinolonecarboxylic derivatives and intermediates therefor, salts of 7-isoindolinequinolonecarboxylic acids, hydrates thereof, and composition containing the same as active ingredient |
US6509349B1 (en) | 2000-12-14 | 2003-01-21 | The Procter & Gamble Company | Antimicrobial 2-pyridones, their compositions and uses |
EP1278717A1 (en) * | 2000-03-07 | 2003-01-29 | Ranbaxy Laboratories Limited | One-pot synthesis of alkyl 3-cyclopropylamino-2- 2,4-dibromo-3-(difluoromethoxy)benzoyl]-2-propenoate as a useful intermediate for antibacterial quinolone medicaments |
US6525066B2 (en) | 1999-10-19 | 2003-02-25 | Sato Pharmaceutical Co., Ltd. | 4-oxoquinolizine antimicrobial having 2-pyridone skeleton as partial structure |
US6645981B2 (en) | 2000-12-14 | 2003-11-11 | The Procter & Gamble Company | Antimicrobial quinolones, their compositions and uses |
US7868021B2 (en) | 1997-09-15 | 2011-01-11 | Warner Chilcott Company, Llc | Antimicrobial quinolones, their compositions and uses |
US8039485B2 (en) | 2006-03-28 | 2011-10-18 | Warner Chilcott Company, Llc | Malate salts, and polymorphs of (3S,5S)-7-[3-amino-5-methyl-piperidinyl]-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid |
US8158798B2 (en) | 2006-03-28 | 2012-04-17 | Taigen Biotechnology Co., Ltd. | Coupling process for preparing quinolone intermediates |
EA034787B1 (en) * | 2011-08-31 | 2020-03-20 | Оцука Фармасьютикал Ко., Лтд. | Quinolone derivative |
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DE69622569T2 (en) * | 1995-08-21 | 2003-01-16 | Takeda Chemical Industries, Ltd. | QUINONE CONNECTION, ITS PRODUCTION AND APPLICATION. |
PT882725E (en) * | 1996-02-09 | 2003-04-30 | Toyama Chemical Co Ltd | DERIVATIVES OF QUINOLONACARBOXYLIC ACID OR ITS SALTS |
JP4370002B2 (en) * | 1997-08-08 | 2009-11-25 | 富山化学工業株式会社 | Quinolone carboxylic acid derivative or salt thereof |
JP4549461B2 (en) * | 1998-08-31 | 2010-09-22 | 富山化学工業株式会社 | Method for producing 7-bromo-quinolonecarboxylic acid derivative |
AU2325300A (en) * | 1999-02-05 | 2000-08-25 | Toyama Chemical Co. Ltd. | Tricyclic quinolonecarboxylic acid derivatives or salts thereof |
JP2005232000A (en) * | 2000-03-10 | 2005-09-02 | Dainippon Pharmaceut Co Ltd | Pyridonecarboxylic acid derivative or its salt |
US6525049B2 (en) | 2000-07-05 | 2003-02-25 | Pharmacia & Upjohn Company | Pyrroloquinolones as antiviral agents |
CA2417764C (en) * | 2000-08-08 | 2009-05-05 | Katsuo Kataoka | Highly absorbable solid preparations containing sitafloxacin and tartaric acid |
CA2446924C (en) * | 2001-04-19 | 2011-02-08 | Eisai Co., Ltd. | 2-iminopyrrolidine derivatives |
CN100337630C (en) * | 2002-03-12 | 2007-09-19 | 布里斯托尔-迈尔斯斯奎布公司 | Palatable oral suspension and method |
KR20050104376A (en) | 2003-02-19 | 2005-11-02 | 에자이 가부시키가이샤 | Processes for producing cyclic benzamidine derivative |
JP2008031090A (en) * | 2006-07-28 | 2008-02-14 | Toyota Central Res & Dev Lab Inc | Organotin compound and its manufacturing method, and manufacturing method of aromatic compound derivative |
CN101298418B (en) * | 2008-06-13 | 2010-12-15 | 江苏康鹏农化有限公司 | Preparation of 3-oxo-3-(2,4- dihalogenated-3-difluorated methoxy phenyl) ethyl propionate |
CN102212056A (en) * | 2010-04-09 | 2011-10-12 | 山东轩竹医药科技有限公司 | Novel bicyclo-carbostyril compounds |
WO2014152332A1 (en) | 2013-03-15 | 2014-09-25 | Melinta Therapeutics, Inc. | Methods of treating infections in overweight and obese patients using antibiotics |
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DE3248507A1 (en) * | 1982-12-29 | 1984-07-05 | Bayer Ag, 5090 Leverkusen | MICROBICIDE AGENTS BASED ON CHINOLONIC CARBONIC ACID |
ZA859283B (en) * | 1984-12-06 | 1987-07-29 | Pfizer | Substituted dihydroquinolone carboxylic acids and anti-bacterial compositions containing them |
DE3816119A1 (en) * | 1988-05-11 | 1989-11-23 | Bayer Ag | 7-SUBSTITUTED CHINOLON AND NAPHTHYRIDONE CARBONIC ACID DERIVATIVES |
JPH0262875A (en) * | 1988-05-23 | 1990-03-02 | Wakunaga Pharmaceut Co Ltd | Novel isoindoline derivative |
US4945160A (en) * | 1988-11-22 | 1990-07-31 | Warner-Lambert Company | Preparation of certain 7-substituted quinolones |
-
1995
- 1995-08-04 US US08/776,711 patent/US5935952A/en not_active Expired - Lifetime
- 1995-08-04 AT AT95927967T patent/ATE245638T1/en active
- 1995-08-04 CA CA002196271A patent/CA2196271C/en not_active Expired - Lifetime
- 1995-08-04 KR KR1019970700919A patent/KR100371723B1/en not_active IP Right Cessation
- 1995-08-04 DK DK95927967T patent/DK0775702T3/en active
- 1995-08-04 DE DE69531350T patent/DE69531350T2/en not_active Expired - Lifetime
- 1995-08-04 WO PCT/JP1995/001551 patent/WO1996005192A1/en active IP Right Grant
- 1995-08-04 ES ES95927967T patent/ES2203644T3/en not_active Expired - Lifetime
- 1995-08-04 AU AU31906/95A patent/AU692583B2/en not_active Expired
- 1995-08-04 CN CN95195310A patent/CN1070191C/en not_active Expired - Lifetime
- 1995-08-04 HU HU9701734A patent/HU228062B1/en unknown
- 1995-08-04 NZ NZ290946A patent/NZ290946A/en not_active IP Right Cessation
- 1995-08-04 EP EP95927967A patent/EP0775702B1/en not_active Expired - Lifetime
- 1995-08-08 IL IL11487595A patent/IL114875A/en not_active IP Right Cessation
- 1995-08-11 ZA ZA956713A patent/ZA956713B/en unknown
-
1997
- 1997-02-11 NO NO19970622A patent/NO312032B1/en not_active IP Right Cessation
- 1997-02-11 FI FI970578A patent/FI113652B/en not_active IP Right Cessation
Non-Patent Citations (2)
Title |
---|
No further relevant documents disclosed * |
See also references of WO9605192A1 * |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US7868021B2 (en) | 1997-09-15 | 2011-01-11 | Warner Chilcott Company, Llc | Antimicrobial quinolones, their compositions and uses |
AU750760B2 (en) * | 1997-10-27 | 2002-07-25 | Toyama Chemical Co. Ltd. | Processes for producing 7-isoindolinequinolonecarboxylic derivatives and intermediates therefor, salts of 7-isoindolinequinolonecarboxylic acids, hydrates thereof, and composition containing the same as active ingredient |
US7371868B2 (en) | 1997-10-27 | 2008-05-13 | Toyama Chemical Co., Ltd. | Processes for producing 7-isoindoline-quinolonecarboxylic acid derivative and its intermediate, as well as salt of 7-isoindoline-quinolonecarboxylic acid derivative, its hydrate and composition comprising the same as active ingredient |
US6525066B2 (en) | 1999-10-19 | 2003-02-25 | Sato Pharmaceutical Co., Ltd. | 4-oxoquinolizine antimicrobial having 2-pyridone skeleton as partial structure |
EP1278717A1 (en) * | 2000-03-07 | 2003-01-29 | Ranbaxy Laboratories Limited | One-pot synthesis of alkyl 3-cyclopropylamino-2- 2,4-dibromo-3-(difluoromethoxy)benzoyl]-2-propenoate as a useful intermediate for antibacterial quinolone medicaments |
EP1278717A4 (en) * | 2000-03-07 | 2005-06-08 | Ranbaxy Lab Ltd | One-pot synthesis of alkyl 3-cyclopropylamino-2- 2,4-dibromo-3-(difluoromethoxy)benzoyl]-2-propenoate as a useful intermediate for antibacterial quinolone medicaments |
US6509349B1 (en) | 2000-12-14 | 2003-01-21 | The Procter & Gamble Company | Antimicrobial 2-pyridones, their compositions and uses |
US6645981B2 (en) | 2000-12-14 | 2003-11-11 | The Procter & Gamble Company | Antimicrobial quinolones, their compositions and uses |
US8039485B2 (en) | 2006-03-28 | 2011-10-18 | Warner Chilcott Company, Llc | Malate salts, and polymorphs of (3S,5S)-7-[3-amino-5-methyl-piperidinyl]-1-cyclopropyl-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid |
US8158798B2 (en) | 2006-03-28 | 2012-04-17 | Taigen Biotechnology Co., Ltd. | Coupling process for preparing quinolone intermediates |
EA034787B1 (en) * | 2011-08-31 | 2020-03-20 | Оцука Фармасьютикал Ко., Лтд. | Quinolone derivative |
Also Published As
Publication number | Publication date |
---|---|
FI970578A0 (en) | 1997-02-11 |
IL114875A (en) | 1999-12-22 |
HU228062B1 (en) | 2012-09-28 |
NO970622D0 (en) | 1997-02-11 |
AU692583B2 (en) | 1998-06-11 |
FI970578A (en) | 1997-04-10 |
FI113652B (en) | 2004-05-31 |
NZ290946A (en) | 1997-12-19 |
ES2203644T3 (en) | 2004-04-16 |
CN1070191C (en) | 2001-08-29 |
DK0775702T3 (en) | 2003-08-18 |
KR970704728A (en) | 1997-09-06 |
ATE245638T1 (en) | 2003-08-15 |
US5935952A (en) | 1999-08-10 |
NO970622L (en) | 1997-04-10 |
CN1158611A (en) | 1997-09-03 |
IL114875A0 (en) | 1995-12-08 |
KR100371723B1 (en) | 2003-03-15 |
DE69531350T2 (en) | 2004-05-27 |
DE69531350D1 (en) | 2003-08-28 |
NO312032B1 (en) | 2002-03-04 |
EP0775702A4 (en) | 1997-11-05 |
CA2196271C (en) | 2007-01-09 |
WO1996005192A1 (en) | 1996-02-22 |
CA2196271A1 (en) | 1996-02-22 |
EP0775702B1 (en) | 2003-07-23 |
HUT77314A (en) | 1998-03-30 |
AU3190695A (en) | 1996-03-07 |
ZA956713B (en) | 1996-03-28 |
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